CVE-2026-22252
9.1
CRITICAL · CVSS 3.1 · EPSS 4.2% (pctl 91)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
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 | 9.1 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 4.22% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-285 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-01-12 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| librechat | librechat |
References
→ the Explorer · watch your stack · NVD