CVE-2026-16126 (GCVE-0-2026-16126)
Vulnerability from cvelistv5 – Published: 2026-07-18 15:45 – Updated: 2026-07-20 19:10
VLAI
EPSS
VEX
Title
zevorn rt-claw Swarm RPC Receiver swarm.c handle_rpc_request authorization
Summary
A vulnerability was determined in zevorn rt-claw up to 0.2.0. The impacted element is the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 17:10 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/379838 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/379838/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16126 | third-party-advisory |
| https://vuldb.com/submit/856870 | third-party-advisory |
| https://vuldb.com/submit/856871 | third-party-advisory |
| https://github.com/zevorn/rt-claw/issues/135 | issue-tracking |
| https://github.com/zevorn/rt-claw/issues/137 | exploitissue-tracking |
| https://github.com/zevorn/rt-claw/ | product |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-16126",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-20T17:10:55.405192Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-20T19:10:31.732Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:zevorn:rt-claw:*:*:*:*:*:*:*:*"
],
"modules": [
"Swarm RPC Receiver"
],
"product": "rt-claw",
"vendor": "zevorn",
"versions": [
{
"status": "affected",
"version": "0.1"
},
{
"status": "affected",
"version": "0.2.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Eric-y (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in zevorn rt-claw up to 0.2.0. The impacted element is the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-285",
"description": "Improper Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-18T15:45:08.996Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-379838 | zevorn rt-claw Swarm RPC Receiver swarm.c handle_rpc_request authorization",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/379838"
},
{
"name": "VDB-379838 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/379838/cti"
},
{
"name": "CVE-2026-16126 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-16126"
},
{
"name": "Submit #856870 | zevorn rt-claw unreleased post-v0.2.0 (36d128f) Incorrect Authorization (CWE-863)",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/856870"
},
{
"name": "Submit #856871 | zevorn rt-claw unreleased post-v0.2.0 (36d128f) Improper Authorization (CWE-285) (Duplicate)",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/856871"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/zevorn/rt-claw/issues/135"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/zevorn/rt-claw/issues/137"
},
{
"tags": [
"product"
],
"url": "https://github.com/zevorn/rt-claw/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-07-17T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-07-17T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-07-17T18:13:35.000Z",
"value": "VulDB entry last update"
}
],
"title": "zevorn rt-claw Swarm RPC Receiver swarm.c handle_rpc_request authorization"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-16126",
"datePublished": "2026-07-18T15:45:08.996Z",
"dateReserved": "2026-07-17T16:08:26.573Z",
"dateUpdated": "2026-07-20T19:10:31.732Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-16126",
"date": "2026-09-26",
"epss": "0.00511",
"percentile": "0.41232"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:zevorn:rt-claw:*:*:*:*:*:*:*:*"
],
"modules": [
"Swarm RPC Receiver"
],
"product": "rt-claw",
"vendor": "zevorn",
"versions": [
{
"status": "affected",
"version": "0.1"
},
{
"status": "affected",
"version": "0.2.0"
}
]
}
],
"source": "cna@vuldb.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in zevorn rt-claw up to 0.2.0. The impacted element is the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"id": "CVE-2026-16126",
"lastModified": "2026-07-20T19:17:18.900",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "cna@vuldb.com",
"type": "Secondary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.4,
"source": "cna@vuldb.com",
"type": "Secondary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "PROOF_OF_CONCEPT",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "cna@vuldb.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-16126",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-20T17:10:55.405192Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-07-18T16:17:13.043",
"references": [
{
"source": "cna@vuldb.com",
"url": "https://github.com/zevorn/rt-claw/"
},
{
"source": "cna@vuldb.com",
"url": "https://github.com/zevorn/rt-claw/issues/135"
},
{
"source": "cna@vuldb.com",
"url": "https://github.com/zevorn/rt-claw/issues/137"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/cve/CVE-2026-16126"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/submit/856870"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/submit/856871"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/379838"
},
{
"source": "cna@vuldb.com",
"url": "https://vuldb.com/vuln/379838/cti"
}
],
"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-285"
},
{
"lang": "en",
"value": "CWE-863"
}
],
"source": "cna@vuldb.com",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-16126",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-20T17:10:55.405192Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-20T17:11:00.102Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:zevorn:rt-claw:*:*:*:*:*:*:*:*"
],
"modules": [
"Swarm RPC Receiver"
],
"product": "rt-claw",
"vendor": "zevorn",
"versions": [
{
"status": "affected",
"version": "0.1"
},
{
"status": "affected",
"version": "0.2.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Eric-y (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in zevorn rt-claw up to 0.2.0. The impacted element is the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-285",
"description": "Improper Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-18T15:45:08.996Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-379838 | zevorn rt-claw Swarm RPC Receiver swarm.c handle_rpc_request authorization",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/379838"
},
{
"name": "VDB-379838 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/379838/cti"
},
{
"name": "CVE-2026-16126 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-16126"
},
{
"name": "Submit #856870 | zevorn rt-claw unreleased post-v0.2.0 (36d128f) Incorrect Authorization (CWE-863)",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/856870"
},
{
"name": "Submit #856871 | zevorn rt-claw unreleased post-v0.2.0 (36d128f) Improper Authorization (CWE-285) (Duplicate)",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/856871"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/zevorn/rt-claw/issues/135"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/zevorn/rt-claw/issues/137"
},
{
"tags": [
"product"
],
"url": "https://github.com/zevorn/rt-claw/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-07-17T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-07-17T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-07-17T18:13:35.000Z",
"value": "VulDB entry last update"
}
],
"title": "zevorn rt-claw Swarm RPC Receiver swarm.c handle_rpc_request authorization"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-16126",
"datePublished": "2026-07-18T15:45:08.996Z",
"dateReserved": "2026-07-17T16:08:26.573Z",
"dateUpdated": "2026-07-20T19:10:31.732Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…