We take security seriously and actively maintain security updates for the following versions:

If you discover a security vulnerability in Chess Analyzer, please help us by reporting it responsibly.

Please DO NOT report security vulnerabilities through public GitHub issues.

Instead, please report security vulnerabilities by emailing:

• Email: security@chess-analyzer.dev
• Subject: [SECURITY] Vulnerability Report - Chess Analyzer

When reporting a security vulnerability, please include:

1. Description: A clear description of the vulnerability
2. Impact: What an attacker could achieve by exploiting this vulnerability
3. Steps to Reproduce: Detailed steps to reproduce the issue
4. Proof of Concept: Code or detailed instructions demonstrating the vulnerability
5. Environment: Your system details (OS, Python version, etc.)
6. Contact Information: How we can reach you for follow-up questions

We will acknowledge your report within 48 hours and provide a more detailed response within 7 days indicating our next steps.

We will keep you informed about our progress throughout the process of fixing the vulnerability.

• We will investigate all legitimate reports
• We will keep you informed about our progress
• We will credit you (if desired) once the issue is resolved
• We will not pursue legal action against security researchers

• xAI API Key: Store securely, never commit to version control
• OpenAI API Key: Store securely for GPT-4 analysis features
• Anthropic API Key: Store securely for Claude analysis features
• Chess.com Credentials: Optional for future premium features, stored locally in config.local.ini
• Local Config File: config.local.ini is automatically excluded from Git commits
• Database: Local SQLite files contain your game data

• All API calls use HTTPS encryption
• No sensitive data is transmitted except API keys
• Rate limiting prevents abuse
• Local credentials are never sent over network (used for future authenticated features)

• Chess Analyzer runs locally on your machine
• No remote code execution capabilities
• Stockfish engine runs as a local process
• Credentials stored securely in local config file

• Regular dependency updates and security scans
• Input validation on all user inputs
• Secure handling of API keys and credentials
• No hardcoded secrets in source code

• Use virtual environments for development
• Never commit sensitive data to repository
• Regular security audits of dependencies
• Follow secure coding practices

1. Never commit API keys or secrets
2. Use environment variables for sensitive configuration
3. Validate all inputs and sanitize outputs
4. Follow the principle of least privilege
5. Keep dependencies updated

1. Regular security audits
2. Dependency vulnerability scanning
3. Prompt response to security reports
4. Transparent communication with users
5. Security-focused code reviews

Security updates will be:

• Released as soon as possible after verification
• Documented in the changelog with appropriate severity levels
• Communicated through GitHub Security Advisories
• Tagged with security-related labels

• Security Issues: security@chess-analyzer.dev
• General Support: support@chess-analyzer.dev
• GitHub Issues: For non-security related bugs

We appreciate security researchers who help keep Chess Analyzer safe. With your permission, we will acknowledge your contribution in our security hall of fame.

Thank you for helping keep Chess Analyzer secure! 🛡️