Codex Security
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
4recommend
0warn against
May 22, 2026first mention
Aug 14, 2026latest mention
Why people recommend it
“This looks great, thanks for open-sourcing it!”
“It found a real security issue in a project of mine, with very few false-positives.”
Show 2 more
“Codex Security and 5.5/5.6 are still very good finding vulnerable code”
“in less than a week it has now become essential to all of us. I was shocked how accurate it is”
Team using it on reposon “Project Glasswing: An Initial Update”
Caveats and dissent
No one in these comments warned against it.
Who recommends it in their own words
From the makers not counted in the ranking
“By default, you can sign in with your ChatGPT/Codex account or use an OPENAI_API_KEY.”
Threads where it came up
- OpenAI just open-sourced Codex Security 4 mentions
- OpenAI DayBreak – GPT-5.5-Cyber 2 mentions
- Pi Security – Codex Security without all the bloat 1 mention
- Project Glasswing: An Initial Update 1 mention
Data: codex-security.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 7
“OpenAI recently released Codex-Security. We simplified it”
“It's interesting how much of the value here is providing the english Skill definitions that tell the LLM what to do”
“This looks great, thanks for open-sourcing it!”
“I don't think there's much to this other than it being a convenient CI wrapper around their existing models?”
“It found a real security issue in a project of mine, with very few false-positives.”
“Codex Security and 5.5/5.6 are still very good finding vulnerable code”
“in less than a week it has now become essential to all of us. I was shocked how accurate it is”