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.
Metrics
Affected Vendors & Products
References
History
Tue, 14 Apr 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | OpenAI Codex CLI Arbitrary Command Execution via Malicious Configuration Files | |
| Weaknesses | CWE-78 CWE-94 |
Tue, 14 Apr 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openai
Openai codex |
|
| Vendors & Products |
Openai
Openai codex |
Tue, 14 Apr 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| References |
|
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-04-14T14:14:32.518Z
Reserved: 2025-09-26T00:00:00.000Z
Link: CVE-2025-61260
No data.
Status : Received
Published: 2026-04-14T15:16:24.487
Modified: 2026-04-14T15:16:24.487
Link: CVE-2025-61260
No data.
OpenCVE Enrichment
Updated: 2026-04-14T16:31:58Z