Built with Next.js?
Security scanning for Next.js apps
Next.js is the most popular React framework, but even experienced developers miss security headers and accidentally expose server files in production.
Free scan. No account required.
Common issues
Top vulnerabilities in Next.js apps
These are the three most common security issues we find when scanning Next.js projects.
Missing security headers (CSP, HSTS, X-Frame-Options) on all routes
Exposed .next directory or source maps leaking server-side code
CORS headers allowing any origin to access your API routes
How it works
60-second security audit
01
Paste your URL
Enter your Next.js app URL. We handle the rest.
02
Get your score
10 security modules run in parallel against your live site.
03
Fix with AI prompts
Copy the fix prompts into your AI tool and ship secure.
10 security modules, one scan
Every scan checks security headers, SSL/TLS, exposed files, JavaScript secrets, Supabase & Firebase configs, CORS, cookies, email security, and tech detection.
Scan your Next.js app now
Find security issues before your users do. It takes 60 seconds and your first scan is free.