CVE-2025-61260: OpenAI Codex CLI enables code execution via malicious MCP files

# CVE-2025-61260: OpenAI Codex CLI enables code execution via malicious MCP files

https://gcdradar.vercel.app/incidents/cve-2025-61260-openai-codex-cli-enables-code-execution-via-m · AIR-2026-0567 · closed 2026-04-14

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-14
- AI role: Attack on AI
- Products: OpenAI Codex CLI
- CVE ids: CVE-2025-61260
- CVSS: 9.8

## Summary

OpenAI Codex CLI automatically loaded local configuration files in repositories without user confirmation, allowing execution of embedded commands. The flaw impacted version 0.23.0 and prior.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-04-14: CVE-2025-61260: A vulnerability was identified in OpenAI Codex CLI v0.23.0 and before that enables code execution through malicious MCP (Model… (https://nvd.nist.gov/vuln/detail/CVE-2025-61260)
- 2026-04-14: CVE-2025-61260: OpenAI Codex CLI enables code execution through malicious MCP (Model Context Protocol) configuration files (https://github.com/advisories/GHSA-xrxf-jgv3-qmrm)

## Sources

- 2026-04-14 GitHub Advisory Database: CVE-2025-61260: OpenAI Codex CLI enables code execution through malicious MCP (Model Context Protocol) configuration files https://github.com/advisories/GHSA-xrxf-jgv3-qmrm
- 2026-04-14 NVD: CVE-2025-61260: A vulnerability was identified in OpenAI Codex CLI v0.23.0 and before that enables code execution through malicious MCP (Model… https://nvd.nist.gov/vuln/detail/CVE-2025-61260

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.