Improper Authorization in LibreChat - CVE-2025-54868
Published: April 27, 2026
Vulnerability identifier: #VU128113
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-54868
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: LibreChat
Affected software:
LibreChat
LibreChat
Detailed vulnerability description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper authorization in /api/search/test when handling search requests to the Meilisearch engine. A remote attacker can send a specially crafted request to disclose sensitive information.
If the q parameter is omitted, arbitrary chats may be returned.
How to mitigate CVE-2025-54868
Install security update from vendor's website.