CVE-2026-22252
LibreChat MCP Stdio Remote Command Execution
CVSS v3
9.1
CRITICAL
EPSS Score
4.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
poc
SSVC status
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.
Technical details
- Published
- 2026-01-12
- Last Modified
- 2026-01-15
Frequently asked questions
What is CVE-2026-22252?
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.
Is CVE-2026-22252 actively exploited?
A proof-of-concept exploit exists for CVE-2026-22252, but active exploitation has not been confirmed at this time.
What is the CVSS score for CVE-2026-22252?
CVE-2026-22252 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2026-22252 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2026 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).
- CVE-2026-10520KEV
- CVE-2026-24061KEV
- CVE-2026-1281KEV
- CVE-2026-41940KEV
- CVE-2026-1340KEVUnauthenticated Remote Code Execution via Code Injection in Ivanti Endpoint Manager Mobile
- CVE-2026-23760KEVSmarterTools SmarterMail < Build 9511 Authentication Bypass via Password Reset API
- CVE-2026-21643KEVSQL Injection Vulnerability in FortiClientEMS 7.4.4 Allows Unauthenticated Remote Code Execution
- CVE-2026-20182KEV