PT-2025-47813 · Langfuse · Langfuse

Published 2025-11-21 · Updated 2025-12-03 · CVE-2025-65107

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Langfuse versions 2.95.0 through 2.95.11 Langfuse versions 3.17.0 through 3.130.0

Description Langfuse is a large language model engineering platform. In Single Sign-On (SSO) provider configurations lacking an explicit AUTH CHECK setting, a potential account takeover could occur if an authenticated user accesses a specially crafted URL through a Cross-Site Request Forgery (CSRF) or phishing attack. The issue involves manipulating a user into calling a specific URL.

Recommendations Update to Langfuse version 2.95.12 or later. Update to Langfuse version 3.131.0 or later. As a workaround, configure the AUTH CHECK setting.

Exploit

Fix

Improper Authorization

CSRF

Weakness Enumeration

CWE-285

CWE-352

Related Identifiers

CVE-2025-65107

GHSA-W9PW-C549-5M6W

Affected Products

Langfuse

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65107.json · Exploit
• https://github.com/langfuse/langfuse/security/advisories/GHSA-w9pw-c549-5m6w · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-65107 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-65107 · Security Note
• https://twitter.com/CVEnew/status/1991994076472676523 · Twitter Post
• https://twitter.com/dailycve/status/1996273561745391994 · Twitter Post
• https://t.me/CVEtracker/37984 · Telegram Post