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auth-doctor

v1.0.3

Published

Static analysis CLI for detecting authentication and security vulnerabilities in Next.js TypeScript codebases.

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

yoitsragyyoitsragy

Keywords

authsecuritynextjsjwtcsrfstatic-analysistypescriptclinoctisnova

Readme

auth-doctor

Static analysis CLI for authentication and security vulnerabilities in Next.js TypeScript codebases.

Built by NoctisNova.

Install & run

No install required:

npx auth-doctor
npx auth-doctor ./my-app
npx auth-doctor --json
npx auth-doctor --no-ai

Global install (optional):

npm install -g auth-doctor
auth-doctor

What it detects

  • Unprotected routes & Server Actions — API routes and Server Actions with no auth check
  • IDOR / missing ownership — data fetched without verifying the caller owns it
  • Hardcoded secrets — API keys, JWT secrets, and tokens committed in source code
  • NEXT_PUBLIC_ leaks — sensitive values accidentally exposed to the browser
  • JWT without verification — tokens decoded but signature never verified
  • localStorage sessions — auth tokens stored in localStorage instead of httpOnly cookies
  • Missing rate limiting — login, reset, and OTP endpoints with no abuse protection
  • Open redirects — redirect destinations controlled by user-supplied input
  • Sensitive field exposure — password / token fields returned in API responses
  • Missing CSRF protection — state-mutating endpoints without CSRF tokens

Middleware-aware: routes already gated by an auth middleware matcher are not false-flagged.

Produces a scored health report (0–100) and saves .auth-doctor-report.json for AI-assisted fixes.

Requirements

  • Node.js 18+

Links

  • Homepage: https://noctisnova.com
  • Repository: https://github.com/noctisnova/auth-doctor
  • Issues: https://github.com/noctisnova/auth-doctor/issues

License

MIT