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__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__CHECK.
CVE-2025-65107
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 95% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 4.9%
- KEV
- Not listed
Published
November 21, 2025
Last Modified
June 17, 2026
References (1)
- security-advisories@githubhttps://github.com/langfuse/langfuse/security/advisories/GHSA-w9pw-c549-5m6w
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-06-17 21:13 UTCOSV refresh
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- 2026-05-29 18:57 UTCEG score recompute
- 2026-05-29 13:44 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2025-65107?
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What is the CVSS score of CVE-2025-65107?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-65107
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