CVE-2025-64504 Langfuse vulnerable to cross‑organization enumeration of member & invitation lists via project membership APIs

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 th...

CVE-2025-64504

Langfuse vulnerability CVE-2025-64504 affects 2.70.0–2.95.10 and 3.0.0–3.124.0. The issue stems from the server trusting a user‑controlled orgId in project membership APIs, allowing any authenticated user on the same instance to enumerate member names and email addresses from other organizations ...