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Vulnerability · Published Aug 9, 2026 · Assigned by VulDB

CVE-2026-19329andreahaku codex_mcp ask MCP Tool codex-process-simple.ts command injection

Medium 5.3

In plain English

A medium-severity command injection in codex_mcp from andreahaku. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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 argument model results in command injection. The attack requires a local approach. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

VendorProductVersions
andreahaku codex_mcp 1ff521cc6cc57cfe56ddef946c644b8534771390

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References