CVE-2026-22252 CRITICAL

CVE-2026-22252: LibreChat MCP Stdio Remote Command Execution

Vendor Danny-Avila
Product LibreChat
Weakness CWE-285
Published January 12, 2026
Last update January 12, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

LibreChat is a ChatGPT clone with additional features. Prior to v0.8.2-rc2, LibreChat's MCP stdio transport accepts arbitrary commands without validation, allowing any authenticated user to execute shell commands as root inside the container through a single API request. This vulnerability is fixed in v0.8.2-rc2.

Key dates

02Disclosure timeline

January 12, 2026 CVE published
January 12, 2026 Record updated