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Security Policy

Supported Versions

We release patches for security vulnerabilities. Currently supported versions:

Version Supported
1.0.x ✅

Reporting a Vulnerability

We take the security of Todo API seriously. If you believe you have found a security vulnerability, please report it to us as described below.

Where to Report

Please do not report security vulnerabilities through public GitHub issues.

Instead, please report them via:

  • Email: security@example.com (replace with actual email)
  • Or open a private security advisory on GitHub

What to Include

Please include the following information in your report:

  • Type of vulnerability
  • Full paths of source file(s) related to the manifestation of the vulnerability
  • Location of the affected source code (tag/branch/commit or direct URL)
  • Any special configuration required to reproduce the issue
  • Step-by-step instructions to reproduce the issue
  • Proof-of-concept or exploit code (if possible)
  • Impact of the vulnerability, including how an attacker might exploit it

Response Timeline

  • We will acknowledge receipt of your vulnerability report within 48 hours
  • We will provide a more detailed response within 5 business days
  • We will work with you to understand and validate the vulnerability
  • We will develop a fix and release it as soon as possible
  • We will publicly disclose the vulnerability after a fix is released

Security Best Practices

When using this API:

  1. Environment Variables: Never commit .env files or expose sensitive credentials
  2. Rate Limiting: Configure appropriate rate limits for your deployment
  3. HTTPS: Always use HTTPS in production
  4. Dependencies: Keep dependencies up to date
  5. Input Validation: All inputs are validated, but always sanitize data on the client side too
  6. Authentication: Implement proper authentication for production use
  7. Monitoring: Monitor logs for suspicious activity

Security Features

This application includes:

  • ✅ Helmet.js for security headers
  • ✅ CORS protection
  • ✅ Rate limiting
  • ✅ Input validation and sanitization
  • ✅ Error handling that doesn't expose sensitive information
  • ✅ Dependency scanning via Dependabot
  • ✅ CodeQL analysis

Known Limitations

This is a demonstration API with the following security limitations:

  • No authentication/authorization (suitable for learning/demo purposes only)
  • In-memory data storage (not persistent, resets on restart)
  • Not production-ready without additional security measures

For production use, implement:

  • Authentication (JWT, OAuth, etc.)
  • Authorization and role-based access control
  • Persistent database with proper access controls
  • API key management
  • Audit logging
  • Regular security audits

Attribution

We believe in responsible disclosure and will give credit to security researchers who report vulnerabilities to us (unless you prefer to remain anonymous).