The Codex Security plugin, reintroduced by Vaibhav (VB) Srivastav (@reach_vb) on 2026-07-23, is an open-source GitHub-hosted tool that uses the authors' models for cyberdefense. Point it at a codebase or diff to automatically create threat models, trace attack paths, validate issues, propose and test fixes, and export outputs to SARIF, GitHub, Jira, or Linear.
Vaibhav (VB) Srivastav (@reach_vb) reintroduced the Codex Security plugin on 2026-07-23 as an open-source tool hosted on GitHub.
try the codex security plugin, for applying our models to cyberdefense:
Vaibhav (VB) Srivastav (@reach_vb)
Reintroducing Codex Security plugin!
point it at a codebase or diff and it can build a threat model, map attack paths, validate findings, generate + test fixes, and export results to SARIF, GitHub, Jira or Linear.
oh, and it all open source on github!!
— https://nitter.net/reach_vb/status/2080042063328866519#m