Missing Authorization in LibreChat - CVE-2025-69220
Published: April 27, 2026
Vulnerability identifier: #VU128108
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-69220
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify arbitrary agents.
The vulnerability exists due to missing authorization in the agent file upload functionality when uploading files to an agent's file context or file search. A remote user can upload a file for an agent they do not have permission to edit to modify arbitrary agents.
Exploitation requires knowledge of the target agent ID.
Affected software
LibreChat
How to mitigate CVE-2025-69220
Install security update from vendor's website.
LibreChat - update to 0.8.2 rc2