RCE in Andreahaku Codex_mcp

CVE-2026-19329

A vulnerability was found in andreahaku codex_mcp up to 1ff521cc6cc57cfe56ddef946c644b8534771390. The affected element is an unknown function of the file src/codex-process-simple.ts of the component ask MCP Tool. The manipulation of the ar…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19329?
CVE-2026-19329 is a medium-severity vulnerability in Andreahaku Codex_mcp, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2026-08-09.
How severe is CVE-2026-19329?
Medium severity. CVSS v3 base score is 5.3 out of 10.