LibreChat unprotected testing endpoint exposes user chats
Date: 2025-09
Affected: LibreChat
Attack vector: auth-bypass
Category: real-world
Severity: High
CVE: CVE-2025-54868
CWE: CWE-285
CVSS: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

LibreChat (ChatGPT clone) had an unprotected testing endpoint that could expose chats of arbitrary users to remote unauthenticated parties.


Mitigations:

Architectural layers (MAESTRO):