NextJS-Middleware-Bypass-PoC

MCID15795619: Next.js Middleware Bypass PoC Executive Summ...

📄 Next.js 15.2.3 Middleware Authorization Bypass

This Python script checks whether a website built with Next.js is vulnerable to CVE‑2025‑29927, a middleware authorization bypass flaw triggered by the request header:x-middleware-subrequest...

Vulnerability fixed in Next.js

Vercel has fixed a vulnerability in Next.js Specific to versions 14.2.25 and 15.2.3 Next.js is a popular framework for developing Web applications. The vulnerability is in the way Next.js handles authentication checks in its own middleware. This allows malicious actors to bypass these controls,...