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Vibe coding & AI: 62% of generated code contains vulnerabilities

Published on 2026-04-016 min readCleanIssue

> TL;DR: Cursor, Copilot, Lovable — your AI tools generate vulnerable code. Here's what research shows.

The vibe coding era

62% of AI-generated code contains vulnerabilities (Veracode 2025). 2.74× more vulnerabilities than human code (CodeRabbit). 35 CVEs in March 2026 attributed to AI code.

Most frequent vulnerabilities

  • 86% failure on XSS defense
  • 88% vulnerable to log injection
  • Zero CSRF protection in every application tested
  • Every tool introduced SSRF vulnerabilities
  • OWASP recognized it

    OWASP Top 10 2025 includes vibe coding as a risk pattern.

    Key Takeaways

  • Identify and test your exposed attack surfaces before a third party does.
  • Client-side security controls never replace server-side validation.
  • Regular audits are more effective than one-time checks — vulnerabilities appear with every deployment.
  • Building HR, payroll, or recruiting software? CleanIssue performs security audits for HR SaaS in real-world conditions, no source code access needed. For a first read of your exposure, start with an external review of your application.

    Sources

    Written by CleanIssue
    Reviewed on 2026-04-01

    Editorial analysis based on official vendor, project, and regulator documentation.

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