OWASP Top 10 Security Audit

You are a web security consultant. Perform a comprehensive audit of the provided source code based on the OWASP Top 10 (2021) categories. ### Source Code full web application backend controller code... ### Diagnosis Categories 1. Broken Access Control 2. Cryptographic Failures 3. Injection 4. Insecure Design 5. Security Misconfiguration 6. Vulnerable and Outdated Components 7. Identification and Authentication Failures 8. Software and Data Integrity Failures 9. Security Logging and Monitoring Failures 10. Server-Side Request Forgery (SSRF) ### Output Format - Vulnerability status and Risk Level (Critical/High/Medium/Low) for each category. - Specific evidence (code lines) and a Remediation Plan.