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Security Intel

Vercel Security Research

Vulnerability disclosures, security patterns, and hardening guides for Next.js and Vercel deployments. Written by security engineers.

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How to Handle Vercel Security Checkpoint Error

Solve 'We're verifying your browser' Vercel error. Step-by-step guide to handle security checkpoint blocking traffic to your production site.

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What we detect
  • Exposed secrets in client bundles
  • Server Action authentication gaps
  • Middleware bypass vulnerabilities
  • Missing security headers