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6 vulnerabilities found for langfuse by langfuse
CVE-2025-65107 (GCVE-0-2025-65107)
Vulnerability from nvd
Published
2025-11-21 21:49
Modified
2025-11-24 17:16
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Langfuse is an open source large language model engineering platform. In versions from 2.95.0 to before 2.95.12 and from 3.17.0 to before 3.131.0, in SSO provider configurations without an explicit AUTH_<PROVIDER>_CHECK setting, a potential account takeover may happen if an authenticated user is made to call a specifically crafted URL via a CSRF or phishing attack. This issue has been patched in versions 2.95.12 and 3.131.0. A workaround for this issue involves setting AUTH_<PROVIDER>_CHECK.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2025-64504 (GCVE-0-2025-64504)
Vulnerability from nvd
Published
2025-11-10 21:51
Modified
2025-11-12 20:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-202 - Exposure of Sensitive Information Through Data Queries
Summary
Langfuse is an open source large language model engineering platform. Starting in version 2.70.0 and prior to versions 2.95.11 and 3.124.1, in certain project membership APIs, the server trusted a user‑controlled orgId and used it in authorization checks. As a result, any authenticated user on the same Langfuse instance could enumerate names and email addresses of users in another organization if they knew the target organization’s ID. Disclosure is limited to names and email addresses of members/invitees. No customer data such as traces, prompts, or evaluations is exposed or accessible. For Langfuse Cloud, the maintainers ran a thorough investigation of access logs of the last 30 days and could not find any evidence that this vulnerability was exploited. For most self-hosting deployments, the attack surface is significantly reduced given an SSO provider is configured and email/password sign-up is disabled. In these cases, only users who authenticate via the Enterprise SSO IdP (e.g. Okta) would be able to exploit this vulnerability to access the member list, i.e. internal users getting access to a list of other internal users. In order to exploit the vulnerability, the actor must have a valid Langfuse user account within the same instance, know the target orgId, and use the request made to the API that powers the frontend membership tables, including their project/user authentication token, while changing the orgId to the target organization. Langfuse Cloud (EU, US, HIPAA) were affected until fix deployment on November 1, 2025. The maintainers reviewed the Langfuse Cloud access logs from the past 30 days and found no evidence that this vulnerability was exploited. Self-Hosted versions which contain patches include v2.95.11 for major version 2 and v3.124.1 for major version 3. There are no known workarounds. Upgrading is required to fully mitigate this issue.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2025-59305 (GCVE-0-2025-59305)
Vulnerability from nvd
Published
2025-09-24 00:00
Modified
2025-09-25 16:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Improper authorization in the background migration endpoints of Langfuse 3.1 before d67b317 allows any authenticated user to invoke migration control functions. This can lead to data corruption or denial of service through unauthorized access to TRPC endpoints such as backgroundMigrations.all, backgroundMigrations.status, and backgroundMigrations.retry.
References
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CVE-2025-9799 (GCVE-0-2025-9799)
Vulnerability from nvd
Published
2025-09-01 22:02
Modified
2025-09-02 20:10
Severity ?
1.3 (Low) - CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.0 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
5.0 (Medium) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
5.0 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
5.0 (Medium) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery
Summary
A security flaw has been discovered in Langfuse up to 3.88.0. Affected by this vulnerability is the function promptChangeEventSourcing of the file web/src/features/prompts/server/routers/promptRouter.ts of the component Webhook Handler. Performing manipulation results in server-side request forgery. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation appears to be difficult. The exploit has been released to the public and may be exploited.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Langfuse |
Version: 3.0 Version: 3.1 Version: 3.2 Version: 3.3 Version: 3.4 Version: 3.5 Version: 3.6 Version: 3.7 Version: 3.8 Version: 3.9 Version: 3.10 Version: 3.11 Version: 3.12 Version: 3.13 Version: 3.14 Version: 3.15 Version: 3.16 Version: 3.17 Version: 3.18 Version: 3.19 Version: 3.20 Version: 3.21 Version: 3.22 Version: 3.23 Version: 3.24 Version: 3.25 Version: 3.26 Version: 3.27 Version: 3.28 Version: 3.29 Version: 3.30 Version: 3.31 Version: 3.32 Version: 3.33 Version: 3.34 Version: 3.35 Version: 3.36 Version: 3.37 Version: 3.38 Version: 3.39 Version: 3.40 Version: 3.41 Version: 3.42 Version: 3.43 Version: 3.44 Version: 3.45 Version: 3.46 Version: 3.47 Version: 3.48 Version: 3.49 Version: 3.50 Version: 3.51 Version: 3.52 Version: 3.53 Version: 3.54 Version: 3.55 Version: 3.56 Version: 3.57 Version: 3.58 Version: 3.59 Version: 3.60 Version: 3.61 Version: 3.62 Version: 3.63 Version: 3.64 Version: 3.65 Version: 3.66 Version: 3.67 Version: 3.68 Version: 3.69 Version: 3.70 Version: 3.71 Version: 3.72 Version: 3.73 Version: 3.74 Version: 3.75 Version: 3.76 Version: 3.77 Version: 3.78 Version: 3.79 Version: 3.80 Version: 3.81 Version: 3.82 Version: 3.83 Version: 3.84 Version: 3.85 Version: 3.86 Version: 3.87 Version: 3.88.0 |
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},
{
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"version": "3.48"
},
{
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"version": "3.49"
},
{
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"version": "3.50"
},
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{
"status": "affected",
"version": "3.55"
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{
"status": "affected",
"version": "3.56"
},
{
"status": "affected",
"version": "3.57"
},
{
"status": "affected",
"version": "3.58"
},
{
"status": "affected",
"version": "3.59"
},
{
"status": "affected",
"version": "3.60"
},
{
"status": "affected",
"version": "3.61"
},
{
"status": "affected",
"version": "3.62"
},
{
"status": "affected",
"version": "3.63"
},
{
"status": "affected",
"version": "3.64"
},
{
"status": "affected",
"version": "3.65"
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{
"status": "affected",
"version": "3.66"
},
{
"status": "affected",
"version": "3.67"
},
{
"status": "affected",
"version": "3.68"
},
{
"status": "affected",
"version": "3.69"
},
{
"status": "affected",
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},
{
"status": "affected",
"version": "3.71"
},
{
"status": "affected",
"version": "3.72"
},
{
"status": "affected",
"version": "3.73"
},
{
"status": "affected",
"version": "3.74"
},
{
"status": "affected",
"version": "3.75"
},
{
"status": "affected",
"version": "3.76"
},
{
"status": "affected",
"version": "3.77"
},
{
"status": "affected",
"version": "3.78"
},
{
"status": "affected",
"version": "3.79"
},
{
"status": "affected",
"version": "3.80"
},
{
"status": "affected",
"version": "3.81"
},
{
"status": "affected",
"version": "3.82"
},
{
"status": "affected",
"version": "3.83"
},
{
"status": "affected",
"version": "3.84"
},
{
"status": "affected",
"version": "3.85"
},
{
"status": "affected",
"version": "3.86"
},
{
"status": "affected",
"version": "3.87"
},
{
"status": "affected",
"version": "3.88.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "ZAST.AI (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in Langfuse up to 3.88.0. Affected by this vulnerability is the function promptChangeEventSourcing of the file web/src/features/prompts/server/routers/promptRouter.ts of the component Webhook Handler. Performing manipulation results in server-side request forgery. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation appears to be difficult. The exploit has been released to the public and may be exploited."
},
{
"lang": "de",
"value": "In Langfuse bis 3.88.0 wurde eine Schwachstelle gefunden. Hierbei betrifft es die Funktion promptChangeEventSourcing der Datei web/src/features/prompts/server/routers/promptRouter.ts der Komponente Webhook Handler. Mit der Manipulation mit unbekannten Daten kann eine server-side request forgery-Schwachstelle ausgenutzt werden. Der Angriff l\u00e4sst sich \u00fcber das Netzwerk starten. Die Komplexit\u00e4t eines Angriffs ist eher hoch. Es wird angegeben, dass die Ausnutzbarkeit schwierig ist. Die Ausnutzung wurde ver\u00f6ffentlicht und kann verwendet werden."
}
],
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"baseSeverity": "LOW",
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}
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"cvssV2_0": {
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"version": "2.0"
}
}
],
"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-918",
"description": "Server-Side Request Forgery",
"lang": "en",
"type": "CWE"
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}
],
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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},
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"tags": [
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"url": "https://vuldb.com/?id.322114"
},
{
"name": "VDB-322114 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.322114"
},
{
"name": "Submit #641128 | langfuse https://github.com/langfuse/langfuse \u003c=3.88.0 SSRF",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.641128"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/langfuse/langfuse/issues/8522"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/langfuse/langfuse/issues/8522#issue-3320549867"
}
],
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"lang": "en",
"time": "2025-09-01T00:00:00.000Z",
"value": "Advisory disclosed"
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{
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"time": "2025-09-01T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2025-09-01T14:29:18.000Z",
"value": "VulDB entry last update"
}
],
"title": "Langfuse Webhook promptRouter.ts promptChangeEventSourcing server-side request forgery"
}
},
"cveMetadata": {
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"cveId": "CVE-2025-9799",
"datePublished": "2025-09-01T22:02:09.356Z",
"dateReserved": "2025-09-01T12:23:02.536Z",
"dateUpdated": "2025-09-02T20:10:18.439Z",
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}
CVE-2025-65107 (GCVE-0-2025-65107)
Vulnerability from cvelistv5
Published
2025-11-21 21:49
Modified
2025-11-24 17:16
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Langfuse is an open source large language model engineering platform. In versions from 2.95.0 to before 2.95.12 and from 3.17.0 to before 3.131.0, in SSO provider configurations without an explicit AUTH_<PROVIDER>_CHECK setting, a potential account takeover may happen if an authenticated user is made to call a specifically crafted URL via a CSRF or phishing attack. This issue has been patched in versions 2.95.12 and 3.131.0. A workaround for this issue involves setting AUTH_<PROVIDER>_CHECK.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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}
],
"metrics": [
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]
},
{
"descriptions": [
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"cweId": "CWE-285",
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}
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}
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CVE-2025-64504 (GCVE-0-2025-64504)
Vulnerability from cvelistv5
Published
2025-11-10 21:51
Modified
2025-11-12 20:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-202 - Exposure of Sensitive Information Through Data Queries
Summary
Langfuse is an open source large language model engineering platform. Starting in version 2.70.0 and prior to versions 2.95.11 and 3.124.1, in certain project membership APIs, the server trusted a user‑controlled orgId and used it in authorization checks. As a result, any authenticated user on the same Langfuse instance could enumerate names and email addresses of users in another organization if they knew the target organization’s ID. Disclosure is limited to names and email addresses of members/invitees. No customer data such as traces, prompts, or evaluations is exposed or accessible. For Langfuse Cloud, the maintainers ran a thorough investigation of access logs of the last 30 days and could not find any evidence that this vulnerability was exploited. For most self-hosting deployments, the attack surface is significantly reduced given an SSO provider is configured and email/password sign-up is disabled. In these cases, only users who authenticate via the Enterprise SSO IdP (e.g. Okta) would be able to exploit this vulnerability to access the member list, i.e. internal users getting access to a list of other internal users. In order to exploit the vulnerability, the actor must have a valid Langfuse user account within the same instance, know the target orgId, and use the request made to the API that powers the frontend membership tables, including their project/user authentication token, while changing the orgId to the target organization. Langfuse Cloud (EU, US, HIPAA) were affected until fix deployment on November 1, 2025. The maintainers reviewed the Langfuse Cloud access logs from the past 30 days and found no evidence that this vulnerability was exploited. Self-Hosted versions which contain patches include v2.95.11 for major version 2 and v3.124.1 for major version 3. There are no known workarounds. Upgrading is required to fully mitigate this issue.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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"version": "\u003e= 3.0.0, \u003c 3.124.1"
}
]
}
],
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}
],
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],
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{
"name": "https://github.com/langfuse/langfuse/commit/67990ebfdcf0f0c32a6710efa7ddbda073812ab4",
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"url": "https://github.com/langfuse/langfuse/commit/6c2529049a4c962928c435984c81a547a497e3e5"
},
{
"name": "https://github.com/langfuse/langfuse/releases/tag/v2.70.0",
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],
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},
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},
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