Audit file upload implementations for unrestricted upload vulnerabilities, magic byte validation, path traversal prevention, and secure storage patterns.
## CONTEXT Unrestricted file upload is ranked in OWASP's Top 10 and has been exploited in major breaches — the Equifax breach involved a file upload vulnerability. Attackers use file uploads to achieve remote code execution, store malware, bypass authentication, and exfiltrate data. Simply checking file extensions is…
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