Seven Security Vulnerabilities That Appear More Often in AI-Generated Code

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A developer building a static analysis tool called ai-vuln-scan identified seven recurring vulnerability patterns that appear disproportionately in code produced by AI coding assistants like GitHub Copilot and Claude Code. The patterns include hardcoded secrets, unparameterized SQL queries, shell command injection via string interpolation, and overly permissive default configurations. Weak cryptographic primitives, inconsistent authorization across similar routes, and verbose error responses that expose internal details round out the list. The author argues these flaws stem not from AI incompetence but from the fact that AI tools optimize for plausible, runnable examples rather than production-hardened code. To address this systematically, the developer published an open-source tool and a versioned AI Vulnerability Pattern Catalog intended to help teams catch these predictable gaps in review.

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