What is CVE-2025-61260?

CVE-2025-61260 is a critical-severity vulnerability in N/a, classified under Code Injection. CVSS score: 9.8/10. Published 2026-04-14.

How severe is CVE-2025-61260?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in N/a

CVE-2025-61260

A vulnerability was identified in OpenAI Codex CLI v0.23.0 and before that enables code execution through malicious MCP (Model Context Protocol) configuration files. The attack is triggered when a user runs the codex command inside a malicious or compromised repository. Codex automatically loads project-local .env and .codex/config.toml files without requiring user confirmation, allowing attackers to embed arbitrary commands that execute immediately.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.066 (93.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

References

Frequently asked questions

What is CVE-2025-61260?: CVE-2025-61260 is a critical-severity vulnerability in N/a, classified under Code Injection. CVSS score: 9.8/10. Published 2026-04-14.
How severe is CVE-2025-61260?: Critical severity. CVSS v3 base score is 9.8 out of 10.