codex

Security Expert

Security vulnerability detection and remediation: OWASP Top 10, SAST scanning, CVE research, dependency audit, secrets detection

2 on GitHubby Fusenginev1.0.33MITupdated todaySecurity

Plugin security-expert in Fusengine/codex-plugins. Commands read from the repo's manifest — today.

This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.

What it installs

Skills (6)

  • agentic-security

    Use when auditing the security of an AI-coding-agent setup in a repository: Claude Code project settings and hooks, plugin manifests and hooks.json, .mcp.json and MCP servers, skills, agents and rule files, permission rules, secrets in agent configuration, and CI workflows that run an AI agent on pu

  • auth-audit

    Use when auditing authentication (JWT, sessions, cookies, OAuth2/OIDC/PKCE, password storage, MFA, account recovery) or authorization (BOLA/IDOR, mass assignment, function-level checks, tenant isolation) in web, API or iOS code.

  • cve-research

    Use when checking a specific dependency or package version for known CVEs and security advisories (OSV, GitHub Advisory, NVD), with CVSS, CWE and reachability verification before anything is reported as a finding.

  • dependency-audit

    Use when auditing a project's dependency tree for known vulnerabilities and supply-chain risks (bun/npm/pnpm/yarn, Composer, Cargo, Go modules, SwiftPM, pip, Bundler) and its GitHub Actions workflows. Read-only: reports findings, lists fix commands as options, never applies them.

  • security-headers

    Use when auditing HTTP security headers (CSP with nonce/hash and strict-dynamic, HSTS, frame-ancestors, Referrer-Policy, Permissions-Policy, COOP/COEP/CORP), cookie attributes or CORS — in code (Next.js, Laravel, Astro, TanStack Start, Express, Django) or live on a URL the owner names.

  • security-scan

    Use when scanning a codebase or a change for XSS, injection, command execution, SSRF, path traversal, weak crypto, hardcoded secrets, insecure deserialization or any OWASP Top 10:2025 vulnerability, and reporting verified findings.

Slash commands (1)

  • /security-expert:scan

    Launch a security audit on the current project (whole repository or a change vs its merge base). Detects vulnerabilities, scans dependencies, checks OWASP Top 10:2025, verifies each finding, and writes a structured report under docs/security/.

Hooks (3)

  • PreToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex security

  • PostToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex security

  • PostToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex security

View source on GitHub

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