head to head · open source
codex-security vs vuln-bank
codex-security has 10,757 GitHub stars, 797 forks, 220 open issues and last shipped today. vuln-bank has 933 stars, 340 forks, 10 open issues and last shipped 7 days ago. codex-security leads on adoption by 1,053% (10,757 vs 933 stars). codex-security is written in TypeScript under Apache-2.0; vuln-bank is written in HTML under MIT. codex-security has attracted 7% as many forks as stars, vuln-bank 36%. codex-security was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai-security, application-security, devsecops), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| codex-security | vuln-bank | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 933 |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | HTML |
| Last push | 2026-09-18 | 2026-09-11 |
| Forks | ⑂ 797 | ⑂ 340 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codex-security if
- You weight community size — 11K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick vuln-bank if
- You want the vuln-bank feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches HTML
- You evaluated both and vuln-bank fits your workflow better
About codex-security
Codex Security is OpenAI's command line tool and TypeScript SDK, published on npm as @openai/codex security , that finds, validates, and fixes security vulnerabilities in a codebase, and it serves application security engineers, DevSecOps teams, and developers who want that scanning to run from their own terminal or CI.
read the full codex-security overview →
About vuln-bank
vuln bank is a deliberately vulnerable banking application — MIT licensed, primarily written in HTML, with 933 stars and 341 forks — built so security engineers, developers, interns, QA analysts and DevSecOps practitioners can practise web, API and LLM application security testing, secure code review and CI/CD security automation in an isolated environment.
read the full vuln-bank overview →
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Frequently asked questions
Is codex-security or vuln-bank more popular?
codex-security has 10,757 GitHub stars and vuln-bank has 933. codex-security has the larger community by that measure.
Are codex-security and vuln-bank free?
Both are open source. codex-security is licensed under Apache-2.0 and vuln-bank under MIT. Neither carries a licence fee.
What is the difference between codex-security and vuln-bank?
codex-security is written in TypeScript and vuln-bank in HTML. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, codex-security or vuln-bank?
Choose codex-security if you want the larger community (10,757 stars) or its Apache-2.0 licence terms. Choose vuln-bank if its feature set, stack or MIT licence fits better. Both are self-hostable.