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CVE-2026-22252

LibreChat MCP Stdio Remote Command Execution

Published: Jan 12, 2026Updated: Jan 15, 2026 Sources: CVE List NVDCWE-285
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
3.7%
Top 11.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-285

Affected Products

librechatlibrechat
Mixed
Communications / messaging-chat
LibreChatdanny-avila
Mixed
Communications / messaging-chat
librechatoss-projectCommunications
danny-avilaindividual-devCommunicationsaka danny-avila/librechat, librechat

Exploitability

Official Patch Available

References

https://github.com/danny-avila/LibreChat/commit/211b39f3113d4e6ecab84be0a83f4e9c9dea127f
github.com
https://github.com/danny-avila/LibreChat/security/advisories/GHSA-cxhj-j78r-p88f
github.com

Timeline

Published
Jan 12, 2026
Last Updated
Jan 15, 2026

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