kapynOpen Source

OpenAI open-sources Codex Security CLI to help developers find and fix vulnerabilities from the command line

Codex Security CLI is an open-source command-line tool that automatically detects and fixes repository vulnerabilities. OpenAI open-sources the internal tool, previously known as "Aardvark," to help developers counter automated cyberattacks. The release positions OpenAI directly against competing AI security offerings like Anthropic's Claude Security.

The Decoder·Jul 29, 2026

Opening Kapyn…