Search
Find a vulnerability
Search criteria
ⓘ
Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.
122 vulnerabilities by filebrowser
CVE-2026-82238 (GCVE-0-2026-82238)
Vulnerability from nvd – Published: 2026-08-28 10:49 – Updated: 2026-08-28 10:49
VLAI
EPSS
VEX
Title
filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads
Summary
filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass length validation, resulting in files that exceed their declared size and triggering completion hooks for oversized uploads.
Severity
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Unaffected:
0 , < 2.24.0
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.24.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass length validation, resulting in files that exceed their declared size and triggering completion hooks for oversized uploads."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-367",
"description": "Time-of-check Time-of-use (TOCTOU) Race Condition",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:27.289Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-4r8p-gqj2-mwgm)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4r8p-gqj2-mwgm"
},
{
"name": "VulnCheck Advisory: filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-2.24.0-race-condition-via-tus-concurrent-patch-uploads"
}
],
"title": "filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82238",
"datePublished": "2026-08-28T10:49:27.289Z",
"dateReserved": "2026-08-28T10:37:04.621Z",
"dateUpdated": "2026-08-28T10:49:27.289Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-82237 (GCVE-0-2026-82237)
Vulnerability from nvd – Published: 2026-08-28 10:49 – Updated: 2026-08-28 14:00
VLAI
EPSS
VEX
Title
filebrowser through 2.63.23 Stale Share Link via File Rename
Summary
filebrowser through 2.63.23 does not remove share records when a shared file is renamed (only deletion triggers share cleanup). The share record is keyed by path, so it survives the rename and remains dormant (returning 404 while the path is empty). When any new, unrelated file later appears at the original shared path — via re-upload, another user with create permission, or a hook — the stale public share link serves that new file under the original link's password and expiry settings, unexpectedly exposing it.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 13:59 UTC
CWE
- CWE-459 - Incomplete Cleanup
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , ≤ 2.63.23
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82237",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-28T13:59:53.506403Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T14:00:00.263Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-m8v4-4w34-rrvf"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThanOrEqual": "2.63.23",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndIncluding": "2.63.23",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser through 2.63.23 does not remove share records when a shared file is renamed (only deletion triggers share cleanup). The share record is keyed by path, so it survives the rename and remains dormant (returning 404 while the path is empty). When any new, unrelated file later appears at the original shared path \u2014 via re-upload, another user with create permission, or a hook \u2014 the stale public share link serves that new file under the original link\u0027s password and expiry settings, unexpectedly exposing it."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-459",
"description": "Incomplete Cleanup",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:26.624Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-m8v4-4w34-rrvf)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-m8v4-4w34-rrvf"
},
{
"name": "VulnCheck Advisory: filebrowser through 2.63.23 Stale Share Link via File Rename",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-stale-share-link-via-file-rename"
}
],
"title": "filebrowser through 2.63.23 Stale Share Link via File Rename",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82237",
"datePublished": "2026-08-28T10:49:26.624Z",
"dateReserved": "2026-08-28T10:37:04.620Z",
"dateUpdated": "2026-08-28T14:00:00.263Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-82236 (GCVE-0-2026-82236)
Vulnerability from nvd – Published: 2026-08-28 10:49 – Updated: 2026-08-28 14:49
VLAI
EPSS
VEX
Title
File Browser 2.63.6 through 2.63.23 Share Link Exposure via File Deletion
Summary
File Browser versions from 2.63.6 through 2.63.23 fail to clean up public share links when a privileged user deletes another user's shared file. Attackers can access the surviving share link to retrieve new unrelated content uploaded to the same path without authentication.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:48 UTC
CWE
- CWE-459 - Incomplete Cleanup
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Unaffected:
0 , < 2.63.6
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82236",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-28T14:48:43.189756Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T14:49:07.319Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-r6pg-pg54-rcr5"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.6",
"status": "unaffected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser versions from 2.63.6 through 2.63.23 fail to clean up public share links when a privileged user deletes another user\u0027s shared file. Attackers can access the surviving share link to retrieve new unrelated content uploaded to the same path without authentication."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-459",
"description": "Incomplete Cleanup",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:25.873Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-r6pg-pg54-rcr5)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-r6pg-pg54-rcr5"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/0231b7eb"
},
{
"name": "VulnCheck Advisory: File Browser 2.63.6 through 2.63.23 Share Link Exposure via File Deletion",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-2.63.6-through-2.63.23-share-link-exposure-via-file-deletion"
}
],
"title": "File Browser 2.63.6 through 2.63.23 Share Link Exposure via File Deletion",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82236",
"datePublished": "2026-08-28T10:49:25.873Z",
"dateReserved": "2026-08-28T10:37:04.620Z",
"dateUpdated": "2026-08-28T14:49:07.319Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-82235 (GCVE-0-2026-82235)
Vulnerability from nvd – Published: 2026-08-28 10:49 – Updated: 2026-08-28 15:53
VLAI
EPSS
VEX
Title
filebrowser through 2.63.23 Denial of Service via named pipes
Summary
filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:32 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , ≤ 2.63.23
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82235",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-28T14:32:19.594593Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T15:53:04.375Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThanOrEqual": "2.63.23",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndIncluding": "2.63.23",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:25.222Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-8q5j-8wcr-8v2v)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8q5j-8wcr-8v2v"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/586d198d"
},
{
"name": "VulnCheck Advisory: filebrowser through 2.63.23 Denial of Service via named pipes",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-denial-of-service-via-named-pipes"
}
],
"title": "filebrowser through 2.63.23 Denial of Service via named pipes",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82235",
"datePublished": "2026-08-28T10:49:25.222Z",
"dateReserved": "2026-08-28T10:37:04.620Z",
"dateUpdated": "2026-08-28T15:53:04.375Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-62684 (GCVE-0-2026-62684)
Vulnerability from nvd – Published: 2026-08-18 15:20 – Updated: 2026-08-18 17:46
VLAI
EPSS
VEX
Title
File Browser: Share API exposes the password hash and bypass token
Summary
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, the Link storage struct is serialized directly by sharePostHandler, shareListHandler, and shareGetsHandler through renderJSON, causing POST /api/share/{path} and GET /api/shares to expose password_hash and the bypass token, while an administrator can retrieve these secrets for every user's shares, enabling offline password cracking and direct access to protected shares. This issue is fixed in version 2.63.17.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 17:19 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | x_refsource_CONFIRM |
| https://github.com/filebrowser/filebrowser/commit… | x_refsource_MISC |
| https://github.com/filebrowser/filebrowser/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
< 2.63.17
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-62684",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-18T17:19:15.854637Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T17:46:42.863Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"status": "affected",
"version": "\u003c 2.63.17"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, the Link storage struct is serialized directly by sharePostHandler, shareListHandler, and shareGetsHandler through renderJSON, causing POST /api/share/{path} and GET /api/shares to expose password_hash and the bypass token, while an administrator can retrieve these secrets for every user\u0027s shares, enabling offline password cracking and direct access to protected shares. This issue is fixed in version 2.63.17."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 2.7,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-522",
"description": "CWE-522: Insufficiently Protected Credentials",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T15:20:10.163Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-833g-cqhp-h72j",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-833g-cqhp-h72j"
},
{
"name": "https://github.com/filebrowser/filebrowser/commit/ec130546713c44cd24556907552ac554c7f809c9",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/commit/ec130546713c44cd24556907552ac554c7f809c9"
},
{
"name": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17"
}
],
"source": {
"advisory": "GHSA-833g-cqhp-h72j",
"discovery": "UNKNOWN"
},
"title": "File Browser: Share API exposes the password hash and bypass token"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-62684",
"datePublished": "2026-08-18T15:20:10.163Z",
"dateReserved": "2026-07-14T20:22:04.395Z",
"dateUpdated": "2026-08-18T17:46:42.863Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72838 (GCVE-0-2026-72838)
Vulnerability from nvd – Published: 2026-08-14 11:35 – Updated: 2026-08-17 16:08
VLAI
EPSS
VEX
Title
FileBrowser before 2.63.19 Disk Exhaustion via TUS Upload
Summary
FileBrowser versions before 2.63.19 fail to enforce the declared Upload-Length in the TUS resumable-upload PATCH endpoint, allowing authenticated users to write arbitrary data to disk. Attackers can send oversized request bodies that exceed the declared upload length to exhaust available disk space and cause service unavailability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 15:45 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-26 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72838",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-17T15:45:59.819349Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T16:08:39.300Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "GG-Feng"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-26T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "FileBrowser versions before 2.63.19 fail to enforce the declared Upload-Length in the TUS resumable-upload PATCH endpoint, allowing authenticated users to write arbitrary data to disk. Attackers can send oversized request bodies that exceed the declared upload length to exhaust available disk space and cause service unavailability."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:18.822Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-ffv3-7h97-993q)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-ffv3-7h97-993q"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/4daddec6f200b03a721197d8c0b4b652c994894e"
},
{
"name": "VulnCheck Advisory: FileBrowser before 2.63.19 Disk Exhaustion via TUS Upload",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-disk-exhaustion-via-tus-upload"
}
],
"title": "FileBrowser before 2.63.19 Disk Exhaustion via TUS Upload",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72838",
"datePublished": "2026-08-14T11:35:42.867Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-17T16:08:39.300Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72837 (GCVE-0-2026-72837)
Vulnerability from nvd – Published: 2026-08-14 11:35 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
File Browser before 2.63.20 Privilege Escalation via Proxy Authentication
Summary
File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 14:34 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.20
(semver)
Unaffected: 2.63.20 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72837",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T14:34:53.116073Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T14:36:14.428Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.20",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.20",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.20",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "thesmartshadow"
},
{
"lang": "en",
"type": "reporter",
"value": "B1gN0Se"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:18.149Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-j7jh-37pf-mf8h)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-j7jh-37pf-mf8h"
},
{
"name": "VulnCheck Advisory: File Browser before 2.63.20 Privilege Escalation via Proxy Authentication",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authentication"
}
],
"title": "File Browser before 2.63.20 Privilege Escalation via Proxy Authentication",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72837",
"datePublished": "2026-08-14T11:35:42.191Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T16:52:18.149Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72836 (GCVE-0-2026-72836)
Vulnerability from nvd – Published: 2026-08-14 11:35 – Updated: 2026-08-18 02:00
VLAI
EPSS
VEX
Title
FileBrowser before 2.63.19 Case Sensitivity Authentication Bypass
Summary
FileBrowser before 2.63.19 does not account for case-insensitive filesystems when checking home directory ownership during self-registration. When Signup and CreateUserDir are enabled and FileBrowser's root is on a case-insensitive filesystem (confirmed on Windows/NTFS), two self-registered usernames that differ only in letter case (e.g., CaseVictim and casevictim) are stored as distinct accounts but resolve to the same physical home directory, because the scope-ownership check compares the persisted scope as an exact case-sensitive string. A second registrant can therefore read, overwrite, and delete another account's files through authenticated HTTP endpoints, without needing an existing account or victim interaction.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 02:00 UTC
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-25 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72836",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-18T02:00:31.486852Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T02:00:53.619Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-576v-w77m-gr84"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "luoy16002-svg"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-25T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "FileBrowser before 2.63.19 does not account for case-insensitive filesystems when checking home directory ownership during self-registration. When Signup and CreateUserDir are enabled and FileBrowser\u0027s root is on a case-insensitive filesystem (confirmed on Windows/NTFS), two self-registered usernames that differ only in letter case (e.g., CaseVictim and casevictim) are stored as distinct accounts but resolve to the same physical home directory, because the scope-ownership check compares the persisted scope as an exact case-sensitive string. A second registrant can therefore read, overwrite, and delete another account\u0027s files through authenticated HTTP endpoints, without needing an existing account or victim interaction."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 9.2,
"baseSeverity": "CRITICAL",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-178",
"description": "Improper Handling of Case Sensitivity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:17.496Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-576v-w77m-gr84)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-576v-w77m-gr84"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/fe7efb2e6afe66774cd86a5b0a03033bd514d0c0"
},
{
"name": "VulnCheck Advisory: FileBrowser before 2.63.19 Case Sensitivity Authentication Bypass",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-case-sensitivity-authentication-bypass"
}
],
"title": "FileBrowser before 2.63.19 Case Sensitivity Authentication Bypass",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72836",
"datePublished": "2026-08-14T11:35:41.491Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-18T02:00:53.619Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72835 (GCVE-0-2026-72835)
Vulnerability from nvd – Published: 2026-08-14 11:35 – Updated: 2026-08-14 18:03
VLAI
EPSS
VEX
Title
filebrowser before v2.63.21 Access Rule Bypass via Path Canonicalization
Summary
filebrowser versions before v2.63.21 fail to canonicalize paths before evaluating access rules, allowing authenticated users to bypass administrator-defined deny rules using case-variant or backslash-separated paths. Attackers can request files with alternate path representations that match no rule but resolve to the same filesystem object, gaining unauthorized access to denied files within their scope.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 18:03 UTC
CWE
- CWE-41 - Improper Resolution of Path Equivalence
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.21
(semver)
Unaffected: 2.63.21 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72835",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T18:03:44.933867Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T18:03:52.526Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fgm5-pw99-w2p7"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.21",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.21",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.21",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "N1V6"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser versions before v2.63.21 fail to canonicalize paths before evaluating access rules, allowing authenticated users to bypass administrator-defined deny rules using case-variant or backslash-separated paths. Attackers can request files with alternate path representations that match no rule but resolve to the same filesystem object, gaining unauthorized access to denied files within their scope."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-41",
"description": "Improper Resolution of Path Equivalence",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:16.852Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-fgm5-pw99-w2p7)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fgm5-pw99-w2p7"
},
{
"name": "VulnCheck Advisory: filebrowser before v2.63.21 Access Rule Bypass via Path Canonicalization",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-access-rule-bypass-via-path-canonicalization"
}
],
"title": "filebrowser before v2.63.21 Access Rule Bypass via Path Canonicalization",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72835",
"datePublished": "2026-08-14T11:35:40.774Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T18:03:52.526Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72834 (GCVE-0-2026-72834)
Vulnerability from nvd – Published: 2026-08-14 11:35 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
filebrowser before 2.63.19 Permission Bypass via checksum
Summary
filebrowser before 2.63.19 contains a permission bypass in the /api/resources endpoint. The checksum (?checksum=) branch of resourceGetHandler reads the entire file to compute a digest and returns it without performing a Perm.Download check (unlike the sibling raw, preview, and subtitle paths). As a result, an authenticated user provisioned with Perm.Download=false can obtain a content-hash oracle for any same-scope file (md5/sha1/sha256/sha512), enabling confirmation of known/guessed content, change detection, and offline brute-force of low-entropy files. This is an incomplete fix of CVE-2026-35606; it bypasses only the Download permission and does not defeat scope/path authorization.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 14:38 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-25 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72834",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T14:38:41.645396Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T14:38:51.298Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "arpitjain099"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-25T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser before 2.63.19 contains a permission bypass in the /api/resources endpoint. The checksum (?checksum=) branch of resourceGetHandler reads the entire file to compute a digest and returns it without performing a Perm.Download check (unlike the sibling raw, preview, and subtitle paths). As a result, an authenticated user provisioned with Perm.Download=false can obtain a content-hash oracle for any same-scope file (md5/sha1/sha256/sha512), enabling confirmation of known/guessed content, change detection, and offline brute-force of low-entropy files. This is an incomplete fix of CVE-2026-35606; it bypasses only the Download permission and does not defeat scope/path authorization."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:16.192Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-7whw-q6gh-xr59)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7whw-q6gh-xr59"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/b7dc392838f11d188f0bc0f2a1a99fad3f7dca03"
},
{
"name": "VulnCheck Advisory: filebrowser before 2.63.19 Permission Bypass via checksum",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-permission-bypass-via-checksum"
}
],
"title": "filebrowser before 2.63.19 Permission Bypass via checksum",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72834",
"datePublished": "2026-08-14T11:35:40.049Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T16:52:16.192Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72839 (GCVE-0-2026-72839)
Vulnerability from nvd – Published: 2026-08-13 21:54 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
filebrowser through 2.63.16 Privilege Escalation via Signup
Summary
filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 16:14 UTC
CWE
- CWE-266 - Incorrect Privilege Assignment
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , ≤ 2.63.16
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-25 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72839",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T16:14:53.807243Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:15:23.878Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gpj6"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThanOrEqual": "2.63.16",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndIncluding": "2.63.16",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "je-lv"
}
],
"datePublic": "2026-07-25T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-266",
"description": "Incorrect Privilege Assignment",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:19.479Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-6759-996p-gpj6)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gpj6"
},
{
"name": "VulnCheck Advisory: filebrowser through 2.63.16 Privilege Escalation via Signup",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-through-privilege-escalation-via-signup"
}
],
"title": "filebrowser through 2.63.16 Privilege Escalation via Signup",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72839",
"datePublished": "2026-08-13T21:54:39.242Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T16:52:19.479Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-73613 (GCVE-0-2026-73613)
Vulnerability from nvd – Published: 2026-08-13 11:28 – Updated: 2026-08-14 20:18
VLAI
EPSS
VEX
Title
filebrowser before 2.63.19 Out-of-Scope File Deletion via Symlink
Summary
filebrowser versions before 2.63.19 contain an out-of-scope file deletion vulnerability in the TUS upload cache eviction mechanism that allows authenticated users with only Create permission to delete arbitrary files outside their scope. Attackers can swap an ancestor directory with a symlink during the cache TTL window to redirect the raw os.Remove call to an out-of-scope target, bypassing ScopedFs scope guards and Perm.Delete checks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 18:59 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-73613",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T18:59:28.880705Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T20:18:24.420Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "manus-use"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser versions before 2.63.19 contain an out-of-scope file deletion vulnerability in the TUS upload cache eviction mechanism that allows authenticated users with only Create permission to delete arbitrary files outside their scope. Attackers can swap an ancestor directory with a symlink during the cache TTL window to redirect the raw os.Remove call to an out-of-scope target, bypassing ScopedFs scope guards and Perm.Delete checks."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "HIGH",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-59",
"description": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:36.732Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-m9f5-2232-frp6)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-m9f5-2232-frp6"
},
{
"name": "VulnCheck Advisory: filebrowser before 2.63.19 Out-of-Scope File Deletion via Symlink",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-out-of-scope-file-deletion-via-symlink"
}
],
"title": "filebrowser before 2.63.19 Out-of-Scope File Deletion via Symlink",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-73613",
"datePublished": "2026-08-13T11:28:16.532Z",
"dateReserved": "2026-08-13T11:16:27.835Z",
"dateUpdated": "2026-08-14T20:18:24.420Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-73612 (GCVE-0-2026-73612)
Vulnerability from nvd – Published: 2026-08-13 11:28 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
File Browser before v2.63.22 Authorization Bypass via Recursive Operations
Summary
File Browser before v2.63.22 fails to validate access rules for descendants during recursive copy, rename, and delete operations, allowing authenticated users to bypass path-based access controls. Attackers can copy, rename, or delete denied files by operating on their allowed parent directory, defeating rule-based isolation for confidentiality and integrity.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:54 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.22
(semver)
Unaffected: 2.63.22 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-73612",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-13T14:54:13.708985Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-13T14:56:02.237Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-77x8-73f4-5485"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.22",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.22",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.22",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser before v2.63.22 fails to validate access rules for descendants during recursive copy, rename, and delete operations, allowing authenticated users to bypass path-based access controls. Attackers can copy, rename, or delete denied files by operating on their allowed parent directory, defeating rule-based isolation for confidentiality and integrity."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:36.059Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-77x8-73f4-5485)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-77x8-73f4-5485"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/72faf6dd3c85628e332d3e567124b86708ce2695"
},
{
"name": "VulnCheck Advisory: File Browser before v2.63.22 Authorization Bypass via Recursive Operations",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-before-authorization-bypass-via-recursive-operations"
}
],
"title": "File Browser before v2.63.22 Authorization Bypass via Recursive Operations",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-73612",
"datePublished": "2026-08-13T11:28:15.825Z",
"dateReserved": "2026-08-13T11:16:27.834Z",
"dateUpdated": "2026-08-14T16:52:36.059Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-73611 (GCVE-0-2026-73611)
Vulnerability from nvd – Published: 2026-08-13 11:28 – Updated: 2026-08-14 22:30
VLAI
EPSS
VEX
Title
File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass
Summary
File Browser versions from 2.50.0 through 2.63.21 fail to validate JWT expiration when proxy authentication is configured with a non-default logout page. Attackers with a previously valid token can access protected routes and administrative endpoints indefinitely, and exchange expired tokens for fresh ones via the renewal endpoint.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 22:29 UTC
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Unaffected:
0 , < 2.50.0
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-73611",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T22:29:39.172759Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T22:30:18.209Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-v3jv-rmh2-635j"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.50.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser versions from 2.50.0 through 2.63.21 fail to validate JWT expiration when proxy authentication is configured with a non-default logout page. Attackers with a previously valid token can access protected routes and administrative endpoints indefinitely, and exchange expired tokens for fresh ones via the renewal endpoint."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-613",
"description": "Insufficient Session Expiration",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:35.393Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-v3jv-rmh2-635j)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-v3jv-rmh2-635j"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/72faf6dd3c85628e332d3e567124b86708ce2695"
},
{
"name": "VulnCheck Advisory: File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-through-jwt-expiration-bypass"
}
],
"title": "File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-73611",
"datePublished": "2026-08-13T11:28:15.147Z",
"dateReserved": "2026-08-13T11:16:27.834Z",
"dateUpdated": "2026-08-14T22:30:18.209Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-62843 (GCVE-0-2026-62843)
Vulnerability from nvd – Published: 2026-07-15 15:42 – Updated: 2026-07-15 16:32
VLAI
EPSS
VEX
Title
File Browser: Archive builder turns backslash filenames into path traversal (zip-slip)
Summary
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAll(nameInArchive, "\", "/"), which turns a POSIX filename such as ..\..\evil.sh into the archive entry ../../evil.sh, allowing a user with upload permission to plant a backslash-named file that escapes the extraction directory when another user downloads and extracts the generated zip or tar archive. This issue is fixed in version 2.63.17.
Severity
6.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 16:25 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | x_refsource_CONFIRM |
| https://github.com/filebrowser/filebrowser/commit… | x_refsource_MISC |
| https://github.com/filebrowser/filebrowser/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
>= 2.63.6, < 2.63.17
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-62843",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-15T16:25:16.686275Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T16:32:21.438Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"status": "affected",
"version": "\u003e= 2.63.6, \u003c 2.63.17"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser\u0027s archive builder uses strings.ReplaceAll(nameInArchive, \"\\\", \"/\"), which turns a POSIX filename such as ..\\..\\evil.sh into the archive entry ../../evil.sh, allowing a user with upload permission to plant a backslash-named file that escapes the extraction directory when another user downloads and extracts the generated zip or tar archive. This issue is fixed in version 2.63.17."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-23",
"description": "CWE-23: Relative Path Traversal",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T15:42:19.122Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww"
},
{
"name": "https://github.com/filebrowser/filebrowser/commit/8503ba61ff51d48a7313896483d130eb6a5abfe0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/commit/8503ba61ff51d48a7313896483d130eb6a5abfe0"
},
{
"name": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17"
}
],
"source": {
"advisory": "GHSA-83xp-526h-j3ww",
"discovery": "UNKNOWN"
},
"title": "File Browser: Archive builder turns backslash filenames into path traversal (zip-slip)"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-62843",
"datePublished": "2026-07-15T15:42:19.122Z",
"dateReserved": "2026-07-14T21:10:50.031Z",
"dateUpdated": "2026-07-15T16:32:21.438Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-62685 (GCVE-0-2026-62685)
Vulnerability from nvd – Published: 2026-07-15 15:47 – Updated: 2026-07-20 14:51
VLAI
EPSS
VEX
Title
File Browser: Colliding username normalization gives two users the same home directory
Summary
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, File Browser builds new user scopes from usernames passed through cleanUsername() when Signup=true and CreateUserDir=true, but the many-to-one normalization can collapse usernames such as team/one, team one, and team-one to the same home directory without checking whether the resulting scope is already taken, allowing a second registrant to gain full read and write access to another user's files. This issue is fixed in version 2.63.17.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 14:51 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | x_refsource_CONFIRM |
| https://github.com/filebrowser/filebrowser/commit… | x_refsource_MISC |
| https://github.com/filebrowser/filebrowser/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
< 2.63.17
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-62685",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-20T14:51:43.918375Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-20T14:51:55.327Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7rc3-g7h6-22m7"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"status": "affected",
"version": "\u003c 2.63.17"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, File Browser builds new user scopes from usernames passed through cleanUsername() when Signup=true and CreateUserDir=true, but the many-to-one normalization can collapse usernames such as team/one, team one, and team-one to the same home directory without checking whether the resulting scope is already taken, allowing a second registrant to gain full read and write access to another user\u0027s files. This issue is fixed in version 2.63.17."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-647",
"description": "CWE-647: Use of Non-Canonical URL Paths for Authorization Decisions",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-706",
"description": "CWE-706: Use of Incorrectly-Resolved Name or Reference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T15:47:23.539Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7rc3-g7h6-22m7",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7rc3-g7h6-22m7"
},
{
"name": "https://github.com/filebrowser/filebrowser/commit/883a36f02fcb69566a8628cb47f18fdc73348387",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/commit/883a36f02fcb69566a8628cb47f18fdc73348387"
},
{
"name": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17"
}
],
"source": {
"advisory": "GHSA-7rc3-g7h6-22m7",
"discovery": "UNKNOWN"
},
"title": "File Browser: Colliding username normalization gives two users the same home directory"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-62685",
"datePublished": "2026-07-15T15:47:23.539Z",
"dateReserved": "2026-07-14T20:22:04.395Z",
"dateUpdated": "2026-07-20T14:51:55.327Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-82238 (GCVE-0-2026-82238)
Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-28 10:49
VLAI
EPSS
VEX
Title
filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads
Summary
filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass length validation, resulting in files that exceed their declared size and triggering completion hooks for oversized uploads.
Severity
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Unaffected:
0 , < 2.24.0
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.24.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass length validation, resulting in files that exceed their declared size and triggering completion hooks for oversized uploads."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-367",
"description": "Time-of-check Time-of-use (TOCTOU) Race Condition",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:27.289Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-4r8p-gqj2-mwgm)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4r8p-gqj2-mwgm"
},
{
"name": "VulnCheck Advisory: filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-2.24.0-race-condition-via-tus-concurrent-patch-uploads"
}
],
"title": "filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82238",
"datePublished": "2026-08-28T10:49:27.289Z",
"dateReserved": "2026-08-28T10:37:04.621Z",
"dateUpdated": "2026-08-28T10:49:27.289Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-82237 (GCVE-0-2026-82237)
Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-28 14:00
VLAI
EPSS
VEX
Title
filebrowser through 2.63.23 Stale Share Link via File Rename
Summary
filebrowser through 2.63.23 does not remove share records when a shared file is renamed (only deletion triggers share cleanup). The share record is keyed by path, so it survives the rename and remains dormant (returning 404 while the path is empty). When any new, unrelated file later appears at the original shared path — via re-upload, another user with create permission, or a hook — the stale public share link serves that new file under the original link's password and expiry settings, unexpectedly exposing it.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 13:59 UTC
CWE
- CWE-459 - Incomplete Cleanup
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , ≤ 2.63.23
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82237",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-28T13:59:53.506403Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T14:00:00.263Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-m8v4-4w34-rrvf"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThanOrEqual": "2.63.23",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndIncluding": "2.63.23",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser through 2.63.23 does not remove share records when a shared file is renamed (only deletion triggers share cleanup). The share record is keyed by path, so it survives the rename and remains dormant (returning 404 while the path is empty). When any new, unrelated file later appears at the original shared path \u2014 via re-upload, another user with create permission, or a hook \u2014 the stale public share link serves that new file under the original link\u0027s password and expiry settings, unexpectedly exposing it."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-459",
"description": "Incomplete Cleanup",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:26.624Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-m8v4-4w34-rrvf)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-m8v4-4w34-rrvf"
},
{
"name": "VulnCheck Advisory: filebrowser through 2.63.23 Stale Share Link via File Rename",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-stale-share-link-via-file-rename"
}
],
"title": "filebrowser through 2.63.23 Stale Share Link via File Rename",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82237",
"datePublished": "2026-08-28T10:49:26.624Z",
"dateReserved": "2026-08-28T10:37:04.620Z",
"dateUpdated": "2026-08-28T14:00:00.263Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-82236 (GCVE-0-2026-82236)
Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-28 14:49
VLAI
EPSS
VEX
Title
File Browser 2.63.6 through 2.63.23 Share Link Exposure via File Deletion
Summary
File Browser versions from 2.63.6 through 2.63.23 fail to clean up public share links when a privileged user deletes another user's shared file. Attackers can access the surviving share link to retrieve new unrelated content uploaded to the same path without authentication.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:48 UTC
CWE
- CWE-459 - Incomplete Cleanup
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Unaffected:
0 , < 2.63.6
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82236",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-28T14:48:43.189756Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T14:49:07.319Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-r6pg-pg54-rcr5"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.6",
"status": "unaffected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser versions from 2.63.6 through 2.63.23 fail to clean up public share links when a privileged user deletes another user\u0027s shared file. Attackers can access the surviving share link to retrieve new unrelated content uploaded to the same path without authentication."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-459",
"description": "Incomplete Cleanup",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:25.873Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-r6pg-pg54-rcr5)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-r6pg-pg54-rcr5"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/0231b7eb"
},
{
"name": "VulnCheck Advisory: File Browser 2.63.6 through 2.63.23 Share Link Exposure via File Deletion",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-2.63.6-through-2.63.23-share-link-exposure-via-file-deletion"
}
],
"title": "File Browser 2.63.6 through 2.63.23 Share Link Exposure via File Deletion",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82236",
"datePublished": "2026-08-28T10:49:25.873Z",
"dateReserved": "2026-08-28T10:37:04.620Z",
"dateUpdated": "2026-08-28T14:49:07.319Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-82235 (GCVE-0-2026-82235)
Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-28 15:53
VLAI
EPSS
VEX
Title
filebrowser through 2.63.23 Denial of Service via named pipes
Summary
filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:32 UTC
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , ≤ 2.63.23
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-08-14 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82235",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-28T14:32:19.594593Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T15:53:04.375Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThanOrEqual": "2.63.23",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndIncluding": "2.63.23",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "skeletonsec"
}
],
"datePublic": "2026-08-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T10:49:25.222Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-8q5j-8wcr-8v2v)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8q5j-8wcr-8v2v"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/586d198d"
},
{
"name": "VulnCheck Advisory: filebrowser through 2.63.23 Denial of Service via named pipes",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-denial-of-service-via-named-pipes"
}
],
"title": "filebrowser through 2.63.23 Denial of Service via named pipes",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-82235",
"datePublished": "2026-08-28T10:49:25.222Z",
"dateReserved": "2026-08-28T10:37:04.620Z",
"dateUpdated": "2026-08-28T15:53:04.375Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-62684 (GCVE-0-2026-62684)
Vulnerability from cvelistv5 – Published: 2026-08-18 15:20 – Updated: 2026-08-18 17:46
VLAI
EPSS
VEX
Title
File Browser: Share API exposes the password hash and bypass token
Summary
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, the Link storage struct is serialized directly by sharePostHandler, shareListHandler, and shareGetsHandler through renderJSON, causing POST /api/share/{path} and GET /api/shares to expose password_hash and the bypass token, while an administrator can retrieve these secrets for every user's shares, enabling offline password cracking and direct access to protected shares. This issue is fixed in version 2.63.17.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 17:19 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | x_refsource_CONFIRM |
| https://github.com/filebrowser/filebrowser/commit… | x_refsource_MISC |
| https://github.com/filebrowser/filebrowser/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
< 2.63.17
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-62684",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-18T17:19:15.854637Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T17:46:42.863Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"status": "affected",
"version": "\u003c 2.63.17"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, the Link storage struct is serialized directly by sharePostHandler, shareListHandler, and shareGetsHandler through renderJSON, causing POST /api/share/{path} and GET /api/shares to expose password_hash and the bypass token, while an administrator can retrieve these secrets for every user\u0027s shares, enabling offline password cracking and direct access to protected shares. This issue is fixed in version 2.63.17."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 2.7,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-522",
"description": "CWE-522: Insufficiently Protected Credentials",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T15:20:10.163Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-833g-cqhp-h72j",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-833g-cqhp-h72j"
},
{
"name": "https://github.com/filebrowser/filebrowser/commit/ec130546713c44cd24556907552ac554c7f809c9",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/commit/ec130546713c44cd24556907552ac554c7f809c9"
},
{
"name": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17"
}
],
"source": {
"advisory": "GHSA-833g-cqhp-h72j",
"discovery": "UNKNOWN"
},
"title": "File Browser: Share API exposes the password hash and bypass token"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-62684",
"datePublished": "2026-08-18T15:20:10.163Z",
"dateReserved": "2026-07-14T20:22:04.395Z",
"dateUpdated": "2026-08-18T17:46:42.863Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72838 (GCVE-0-2026-72838)
Vulnerability from cvelistv5 – Published: 2026-08-14 11:35 – Updated: 2026-08-17 16:08
VLAI
EPSS
VEX
Title
FileBrowser before 2.63.19 Disk Exhaustion via TUS Upload
Summary
FileBrowser versions before 2.63.19 fail to enforce the declared Upload-Length in the TUS resumable-upload PATCH endpoint, allowing authenticated users to write arbitrary data to disk. Attackers can send oversized request bodies that exceed the declared upload length to exhaust available disk space and cause service unavailability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 15:45 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-26 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72838",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-17T15:45:59.819349Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T16:08:39.300Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "GG-Feng"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-26T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "FileBrowser versions before 2.63.19 fail to enforce the declared Upload-Length in the TUS resumable-upload PATCH endpoint, allowing authenticated users to write arbitrary data to disk. Attackers can send oversized request bodies that exceed the declared upload length to exhaust available disk space and cause service unavailability."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:18.822Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-ffv3-7h97-993q)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-ffv3-7h97-993q"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/4daddec6f200b03a721197d8c0b4b652c994894e"
},
{
"name": "VulnCheck Advisory: FileBrowser before 2.63.19 Disk Exhaustion via TUS Upload",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-disk-exhaustion-via-tus-upload"
}
],
"title": "FileBrowser before 2.63.19 Disk Exhaustion via TUS Upload",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72838",
"datePublished": "2026-08-14T11:35:42.867Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-17T16:08:39.300Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72837 (GCVE-0-2026-72837)
Vulnerability from cvelistv5 – Published: 2026-08-14 11:35 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
File Browser before 2.63.20 Privilege Escalation via Proxy Authentication
Summary
File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 14:34 UTC
CWE
- CWE-284 - Improper Access Control
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.20
(semver)
Unaffected: 2.63.20 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72837",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T14:34:53.116073Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T14:36:14.428Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.20",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.20",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.20",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "thesmartshadow"
},
{
"lang": "en",
"type": "reporter",
"value": "B1gN0Se"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:18.149Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-j7jh-37pf-mf8h)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-j7jh-37pf-mf8h"
},
{
"name": "VulnCheck Advisory: File Browser before 2.63.20 Privilege Escalation via Proxy Authentication",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authentication"
}
],
"title": "File Browser before 2.63.20 Privilege Escalation via Proxy Authentication",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72837",
"datePublished": "2026-08-14T11:35:42.191Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T16:52:18.149Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72836 (GCVE-0-2026-72836)
Vulnerability from cvelistv5 – Published: 2026-08-14 11:35 – Updated: 2026-08-18 02:00
VLAI
EPSS
VEX
Title
FileBrowser before 2.63.19 Case Sensitivity Authentication Bypass
Summary
FileBrowser before 2.63.19 does not account for case-insensitive filesystems when checking home directory ownership during self-registration. When Signup and CreateUserDir are enabled and FileBrowser's root is on a case-insensitive filesystem (confirmed on Windows/NTFS), two self-registered usernames that differ only in letter case (e.g., CaseVictim and casevictim) are stored as distinct accounts but resolve to the same physical home directory, because the scope-ownership check compares the persisted scope as an exact case-sensitive string. A second registrant can therefore read, overwrite, and delete another account's files through authenticated HTTP endpoints, without needing an existing account or victim interaction.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 02:00 UTC
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-25 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72836",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-18T02:00:31.486852Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T02:00:53.619Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-576v-w77m-gr84"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "luoy16002-svg"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-25T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "FileBrowser before 2.63.19 does not account for case-insensitive filesystems when checking home directory ownership during self-registration. When Signup and CreateUserDir are enabled and FileBrowser\u0027s root is on a case-insensitive filesystem (confirmed on Windows/NTFS), two self-registered usernames that differ only in letter case (e.g., CaseVictim and casevictim) are stored as distinct accounts but resolve to the same physical home directory, because the scope-ownership check compares the persisted scope as an exact case-sensitive string. A second registrant can therefore read, overwrite, and delete another account\u0027s files through authenticated HTTP endpoints, without needing an existing account or victim interaction."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 9.2,
"baseSeverity": "CRITICAL",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-178",
"description": "Improper Handling of Case Sensitivity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:17.496Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-576v-w77m-gr84)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-576v-w77m-gr84"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/fe7efb2e6afe66774cd86a5b0a03033bd514d0c0"
},
{
"name": "VulnCheck Advisory: FileBrowser before 2.63.19 Case Sensitivity Authentication Bypass",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-case-sensitivity-authentication-bypass"
}
],
"title": "FileBrowser before 2.63.19 Case Sensitivity Authentication Bypass",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72836",
"datePublished": "2026-08-14T11:35:41.491Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-18T02:00:53.619Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72835 (GCVE-0-2026-72835)
Vulnerability from cvelistv5 – Published: 2026-08-14 11:35 – Updated: 2026-08-14 18:03
VLAI
EPSS
VEX
Title
filebrowser before v2.63.21 Access Rule Bypass via Path Canonicalization
Summary
filebrowser versions before v2.63.21 fail to canonicalize paths before evaluating access rules, allowing authenticated users to bypass administrator-defined deny rules using case-variant or backslash-separated paths. Attackers can request files with alternate path representations that match no rule but resolve to the same filesystem object, gaining unauthorized access to denied files within their scope.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 18:03 UTC
CWE
- CWE-41 - Improper Resolution of Path Equivalence
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.21
(semver)
Unaffected: 2.63.21 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72835",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T18:03:44.933867Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T18:03:52.526Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fgm5-pw99-w2p7"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.21",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.21",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.21",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "N1V6"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser versions before v2.63.21 fail to canonicalize paths before evaluating access rules, allowing authenticated users to bypass administrator-defined deny rules using case-variant or backslash-separated paths. Attackers can request files with alternate path representations that match no rule but resolve to the same filesystem object, gaining unauthorized access to denied files within their scope."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-41",
"description": "Improper Resolution of Path Equivalence",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:16.852Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-fgm5-pw99-w2p7)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fgm5-pw99-w2p7"
},
{
"name": "VulnCheck Advisory: filebrowser before v2.63.21 Access Rule Bypass via Path Canonicalization",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-access-rule-bypass-via-path-canonicalization"
}
],
"title": "filebrowser before v2.63.21 Access Rule Bypass via Path Canonicalization",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72835",
"datePublished": "2026-08-14T11:35:40.774Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T18:03:52.526Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72834 (GCVE-0-2026-72834)
Vulnerability from cvelistv5 – Published: 2026-08-14 11:35 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
filebrowser before 2.63.19 Permission Bypass via checksum
Summary
filebrowser before 2.63.19 contains a permission bypass in the /api/resources endpoint. The checksum (?checksum=) branch of resourceGetHandler reads the entire file to compute a digest and returns it without performing a Perm.Download check (unlike the sibling raw, preview, and subtitle paths). As a result, an authenticated user provisioned with Perm.Download=false can obtain a content-hash oracle for any same-scope file (md5/sha1/sha256/sha512), enabling confirmation of known/guessed content, change detection, and offline brute-force of low-entropy files. This is an incomplete fix of CVE-2026-35606; it bypasses only the Download permission and does not defeat scope/path authorization.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 14:38 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-25 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72834",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T14:38:41.645396Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T14:38:51.298Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "arpitjain099"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-25T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser before 2.63.19 contains a permission bypass in the /api/resources endpoint. The checksum (?checksum=) branch of resourceGetHandler reads the entire file to compute a digest and returns it without performing a Perm.Download check (unlike the sibling raw, preview, and subtitle paths). As a result, an authenticated user provisioned with Perm.Download=false can obtain a content-hash oracle for any same-scope file (md5/sha1/sha256/sha512), enabling confirmation of known/guessed content, change detection, and offline brute-force of low-entropy files. This is an incomplete fix of CVE-2026-35606; it bypasses only the Download permission and does not defeat scope/path authorization."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:16.192Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-7whw-q6gh-xr59)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7whw-q6gh-xr59"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/b7dc392838f11d188f0bc0f2a1a99fad3f7dca03"
},
{
"name": "VulnCheck Advisory: filebrowser before 2.63.19 Permission Bypass via checksum",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-permission-bypass-via-checksum"
}
],
"title": "filebrowser before 2.63.19 Permission Bypass via checksum",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72834",
"datePublished": "2026-08-14T11:35:40.049Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T16:52:16.192Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-72839 (GCVE-0-2026-72839)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:54 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
filebrowser through 2.63.16 Privilege Escalation via Signup
Summary
filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 16:14 UTC
CWE
- CWE-266 - Incorrect Privilege Assignment
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , ≤ 2.63.16
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-25 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-72839",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T16:14:53.807243Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:15:23.878Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gpj6"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThanOrEqual": "2.63.16",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndIncluding": "2.63.16",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "je-lv"
}
],
"datePublic": "2026-07-25T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-266",
"description": "Incorrect Privilege Assignment",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:19.479Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-6759-996p-gpj6)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gpj6"
},
{
"name": "VulnCheck Advisory: filebrowser through 2.63.16 Privilege Escalation via Signup",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-through-privilege-escalation-via-signup"
}
],
"title": "filebrowser through 2.63.16 Privilege Escalation via Signup",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-72839",
"datePublished": "2026-08-13T21:54:39.242Z",
"dateReserved": "2026-08-10T15:13:41.486Z",
"dateUpdated": "2026-08-14T16:52:19.479Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-73613 (GCVE-0-2026-73613)
Vulnerability from cvelistv5 – Published: 2026-08-13 11:28 – Updated: 2026-08-14 20:18
VLAI
EPSS
VEX
Title
filebrowser before 2.63.19 Out-of-Scope File Deletion via Symlink
Summary
filebrowser versions before 2.63.19 contain an out-of-scope file deletion vulnerability in the TUS upload cache eviction mechanism that allows authenticated users with only Create permission to delete arbitrary files outside their scope. Attackers can swap an ancestor directory with a symlink during the cache TTL window to redirect the raw os.Remove call to an out-of-scope target, bypassing ScopedFs scope guards and Perm.Delete checks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 18:59 UTC
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/filebrowser-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.19
(semver)
Unaffected: 2.63.19 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-73613",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T18:59:28.880705Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T20:18:24.420Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.19",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.19",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.19",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "manus-use"
},
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "filebrowser versions before 2.63.19 contain an out-of-scope file deletion vulnerability in the TUS upload cache eviction mechanism that allows authenticated users with only Create permission to delete arbitrary files outside their scope. Attackers can swap an ancestor directory with a symlink during the cache TTL window to redirect the raw os.Remove call to an out-of-scope target, bypassing ScopedFs scope guards and Perm.Delete checks."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "HIGH",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-59",
"description": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:36.732Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-m9f5-2232-frp6)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-m9f5-2232-frp6"
},
{
"name": "VulnCheck Advisory: filebrowser before 2.63.19 Out-of-Scope File Deletion via Symlink",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/filebrowser-before-out-of-scope-file-deletion-via-symlink"
}
],
"title": "filebrowser before 2.63.19 Out-of-Scope File Deletion via Symlink",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-73613",
"datePublished": "2026-08-13T11:28:16.532Z",
"dateReserved": "2026-08-13T11:16:27.835Z",
"dateUpdated": "2026-08-14T20:18:24.420Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-73612 (GCVE-0-2026-73612)
Vulnerability from cvelistv5 – Published: 2026-08-13 11:28 – Updated: 2026-08-14 16:52
VLAI
EPSS
VEX
Title
File Browser before v2.63.22 Authorization Bypass via Recursive Operations
Summary
File Browser before v2.63.22 fails to validate access rules for descendants during recursive copy, rename, and delete operations, allowing authenticated users to bypass path-based access controls. Attackers can copy, rename, or delete denied files by operating on their allowed parent directory, defeating rule-based isolation for confidentiality and integrity.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 14:54 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Affected:
0 , < 2.63.22
(semver)
Unaffected: 2.63.22 (semver) cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-73612",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-13T14:54:13.708985Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-13T14:56:02.237Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-77x8-73f4-5485"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.63.22",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.63.22",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2.63.22",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser before v2.63.22 fails to validate access rules for descendants during recursive copy, rename, and delete operations, allowing authenticated users to bypass path-based access controls. Attackers can copy, rename, or delete denied files by operating on their allowed parent directory, defeating rule-based isolation for confidentiality and integrity."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:36.059Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-77x8-73f4-5485)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-77x8-73f4-5485"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/72faf6dd3c85628e332d3e567124b86708ce2695"
},
{
"name": "VulnCheck Advisory: File Browser before v2.63.22 Authorization Bypass via Recursive Operations",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-before-authorization-bypass-via-recursive-operations"
}
],
"title": "File Browser before v2.63.22 Authorization Bypass via Recursive Operations",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-73612",
"datePublished": "2026-08-13T11:28:15.825Z",
"dateReserved": "2026-08-13T11:16:27.834Z",
"dateUpdated": "2026-08-14T16:52:36.059Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-73611 (GCVE-0-2026-73611)
Vulnerability from cvelistv5 – Published: 2026-08-13 11:28 – Updated: 2026-08-14 22:30
VLAI
EPSS
VEX
Title
File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass
Summary
File Browser versions from 2.50.0 through 2.63.21 fail to validate JWT expiration when proxy authentication is configured with a non-default logout page. Attackers with a previously valid token can access protected routes and administrative endpoints indefinitely, and exchange expired tokens for fresh ones via the renewal endpoint.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 22:29 UTC
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/filebrowser/filebrowser/securi… | vendor-advisory |
| https://github.com/filebrowser/filebrowser/commit… | patch |
| https://www.vulncheck.com/advisories/file-browser… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| filebrowser | filebrowser |
Unaffected:
0 , < 2.50.0
(semver)
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-73611",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T22:29:39.172759Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T22:30:18.209Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-v3jv-rmh2-635j"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"product": "filebrowser",
"vendor": "filebrowser",
"versions": [
{
"lessThan": "2.50.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "hacdias"
}
],
"datePublic": "2026-07-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "File Browser versions from 2.50.0 through 2.63.21 fail to validate JWT expiration when proxy authentication is configured with a non-default logout page. Attackers with a previously valid token can access protected routes and administrative endpoints indefinitely, and exchange expired tokens for fresh ones via the renewal endpoint."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-613",
"description": "Insufficient Session Expiration",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:52:35.393Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-v3jv-rmh2-635j)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-v3jv-rmh2-635j"
},
{
"name": "Patch Commit",
"tags": [
"patch"
],
"url": "https://github.com/filebrowser/filebrowser/commit/72faf6dd3c85628e332d3e567124b86708ce2695"
},
{
"name": "VulnCheck Advisory: File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/file-browser-through-jwt-expiration-bypass"
}
],
"title": "File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-73611",
"datePublished": "2026-08-13T11:28:15.147Z",
"dateReserved": "2026-08-13T11:16:27.834Z",
"dateUpdated": "2026-08-14T22:30:18.209Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}