# OpenAI shows how to find and fix vulnerabilities with Codex Security

> Original title: Codex Security: From Vulnerability to Verified Fix | DevDay 2026

- Source: OpenAI · YouTube
- Published: 2026-11-11T01:24:07.000Z
- Bad Influence: https://badinfluence.news/items/dnl3b4hxde67ifcjbppvffyga
- Original: https://www.youtube.com/watch?v=gUQN7juxvVI

## Summary

OpenAI's DevDay 2026 session explains how to find and fix vulnerabilities using its cyber models and open-source CLI and SDK. The session covers scanning large codebases, catching issues in pull requests, and verifying fixes, drawing on OpenAI's own security work.