CVE-2026-22252CRITICAL 9.9EPSS p88.2%

CVE-2026-22252CVE-2026-22252

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.

Scoring

CVSS 3.19.9 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS3.68% probability of exploitation · percentile 88.2% · 2026-06-18T12:00:27Z
Published2026-01-12
Last modified2026-01-15

Underlying weaknesses· 1

CWE-285

References

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

1

TypeTargetConfidenceTier
WeaknessImproper Authorizationcwe-2850%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.