CVE-2026-22252

LibreChat MCP Stdio Remote Command Execution

Published Jan 12, 2026 CVSS 3.1 · 9.1 Critical EPSS 4.2% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:librechat:librechat:0.8.2:rc1:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Librechat
Librechat librechat
Vendors & Products Librechat
Librechat librechat
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title LibreChat MCP Stdio Remote Command Execution
Weaknesses CWE-285
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jan 12, 2026, 6:48 PM
Reserved
Jan 7, 2026, 5:19 AM
Status
Analyzed
Published
Jan 12, 2026, 7:16 PM
Modified
Jun 17, 2026, 10:19 AM