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Listed as Research preview; rolling out through Codex web for eligible ChatGPT Business, Enterprise, and Edu customers; access and free allowance vary
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Coding & Dev Checked Aug 6, 2026
Codex Security (formerly Aardvark)
Find, validate, and patch code vulnerabilities with an agentic security review.
Best for: Development and security teams that want vulnerability findings validated before remediation
What you can do with it
- Scanning a repository and its commit history for security vulnerabilities
- Validating whether a suspected issue is exploitable in a sandbox
- Reviewing a proposed Codex patch before merging it
Good to know
- Validates suspected vulnerabilities instead of only flagging patterns
- Can propose fixes through the Codex workflow
- Official OpenAI product with a clear security focus
Limitations
- Research-preview access is limited
- Security findings still need qualified human review
- Not a lightweight browser coding assistant
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