Vulnerability · Published Jan 12, 2026 · Assigned by GitHub_M
CVE-2026-22252LibreChat MCP Stdio Remote Command Execution
Critical 9.1
In plain English
A critical-severity security flaw in LibreChat from danny-avila. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.2% (higher than 91% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)4.2%top 9.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| danny-avila | LibreChat | < v0.8.2-rc2 |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H