CVE-2025-65107 Details
Description
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.
A vulnerability allowing potential account takeover has been identified in Langfuse, an open-source large language model engineering platform. This issue affects versions 2.95.0 prior to 2.95.12 and 3.17.0 prior to 3.131.0. The vulnerability arises in Single Sign-On (SSO) provider configurations that do not include an explicit AUTH_<PROVIDER>_CHECK setting. In such cases, an authenticated user could be manipulated into calling a specially crafted URL, potentially through a Cross-Site Request Forgery (CSRF) or phishing attack. This could link the attacker's SSO account with the victim's account, allowing the attacker to impersonate the victim.
Users can update to Langfuse versions 2.95.12 or 3.131.0, or set the AUTH_<PROVIDER>_CHECK option to 'pkce,state'.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Nov 24, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/langfuse/langfuse/security/advisories/GHSA-w9pw-c549-5m6w | [email protected] | MitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-285 | Improper Authorization | [email protected] |
| CWE-352 | Cross-Site Request Forgery (CSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| langfuse langfuse | >= 2.95.0, < 2.95.12 >= 3.17.0, < 3.131.0 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Dec 3, 2025 | Initial Analysis | [email protected] |
| Nov 21, 2025 | New CVE Received | [email protected] |