CVE-2025-29972

CVE-2025-29927 - Critical Security Vulnerability in Next.js Overview CVE-2025-29927 is a critical security vulnerability affecting Next.js , a popular React framework for building full-stack web applications. This flaw allows attackers to bypass authorization checks implemented in Next.js...

CVE-2025-29927__Next.js

CVE-2025-29927 - Next.js Middleware Authorization Bypass POC ⚠️ Legal Disclaimer : This tool is intended for security research, authorized penetration testing, and educational purposes only. Using this tool against target systems without explicit permission is illegal and unethical. 📋 Overview...

CVE-2025-29927

Advanced CVE-2025-29927 Vulnerability Scanner This is a professional-grade scanner designed to detect the CVE-2025-29927 middleware bypass vulnerability in Next.js applications. 🧠 What It Does Uses a real headless browser Playwright to deeply crawl a target website JS-rendered content included...

CVE-2025-29927

CVE-2025-29927 — Next.js Middleware Authentication Bypass Overview Imagine a bouncer in front of the club, but if you tell him "I'm already in," he lets you pass without checking. That's exactly what CVE-2025-29927 is. Middleware in Next.js runs before a request is processed, making it the ideal...

CVE-2025-29927

🕷️ Next.js CVE-2025-29927 🧑🏻‍💼 Legal Disclaimer This project is a Next.js application that has been intentionally configured to be vulnerable to an Authorization Bypass in Next.js Middleware CVE-2025-29927. It is provided solely for lawful, educational, and research purposes. By accessing, using,...

nextjs-middleware-auth-bypass-lab

Next.js Middleware Authorization Bypass CVE-2025-29927 What Is the Vulnerability? In Next.js applications, middleware runs before requests reach the application, performing checks such as authentication and authorization. In CVE-2025-29927, due to the specially added x-middleware-subrequest HTTP...

CVE-2025-29927-PoC

CVE-2025-29927 - Next.js Middleware Authorization Bypass PoC This repository contains a Proof of Concept PoC exploit for CVE-2025-29927 , a critical vulnerability in Next.js that allows attackers to bypass authorization checks by abusing a middleware-specific HTTP header. Overview CVE ID:...

CVE-2025-29927

Next.js CVE-2025-29927 This repository contains a proof of concept for CVE-2025-29927 vulnerability in Next.js, where the internal header x-middleware-subrequest can be exploited to bypass middleware checks such as authentication. Affected Versions Next.js 15.x 🧪 This project was tested with...

CVE-2025-29927

CVE-2025-29927 – Next.js Middleware Authorization Bypass This repository contains a functional exploit for CVE-2025-29927, a critical authorization bypass vulnerability in Next.js. The flaw allows attackers to bypass middleware-based authentication and authorization checks, granting unauthorized...

NextBypass

NextBypass 🚨 Next.js Middleware Authorization Bypass Tool CVE-2025-29927 Features Exploit CVE-2025-29927 via x-middleware-subrequest header Auto-browser integration Proxy/Bookmarklet Vulnerability scanning & log analysis Network traffic monitoring Installation git clone...

CVE-2025-29927

CVE-2025-29927 - Demo for Introdcution to Secure Programming 00960267 Background This is a demo of CVE-2025-29927, a critical vulnerability in Next.js that allowed bypassing the middleware with a certain header. The header x-middleware-subrequest was intended to prevent infinite middleware loops...

CVE-2025-29927

Introduction Bypass Next.js middleware authentication mechanism by forging the x-middleware-subrequest request header, allowing unauthorized access to protected routes. Environment setup Source code derived from P神, Next.js version 15.2.2 For Next.js 15.x, this issue is fixed in 15.2.3...

CVE-2025-29927

CVE-2025-29927: The Next.js Middleware Nightmare This repository is provided strictly for educational purposes only. I did not discover this vulnerability - this is a demonstration and explanation of a publicly disclosed security issue. Using this knowledge to exploit vulnerable systems without...

CVE-2025-29927-Testing

Testing script for CVE-2025-29927 Provided by CyberMaxx. CVE-2025-29927 Tester This PowerShell script is designed to help security researchers and system administrators test for CVE-2025-29927 vulnerabilities in Next.js applications. It checks whether a target application is vulnerable to the...

CVE-2025-29927

CVE-2025-29927: Next.js Middleware Bypass Vulnerability This repository demonstrates the CVE-2025-29927 vulnerability in Next.js where the internal header x-middleware-subrequest can be used to bypass middleware checks like authentication. Vulnerability Details Next.js uses an internal header...

POC-CVE-2025-29927

CVE-2025-29927: Next.js Middleware Bypass PoC Overview This PoC demonstrates CVE-2025-29927, a vulnerability in Next.js middleware that allows attackers to bypass authentication, authorization, and CSP mechanisms using the x-middleware-subrequest header. Affected Versions Next.js versions 11.1.4 ...

CVE-2025-29927

CVE-2025-29927 Reproduction and fix of the CVE-2025-29927 vulnerability. git clone [email protected]:Bongni/CVE-2025-29927.git cd CVE-2025-29927 In vulnerable/ there is a version of the application that is vulnerable to the attack. In fixed/ there is a version of the application that is...

CVE-2025-29927

CVE-2025-29927 Next.js Middleware Bypass Scanner CVE-2025-29927 CVE-2025-29927 is a specialized security tool for detecting the Next.js middleware bypass vulnerability CVE-2025-29927 affecting Next.js versions 11.1.4 through 15.2.2. This critical vulnerability allows attackers to bypass security...

vulnerable-nextjs-14-CVE-2025-29927

CVE-2025-29927 Authorization Bypass reproduction This repository is a reproduction of the CVE-2025-29927 vulnerability in the next package How to reproduce 1. Follow the steps below to clone, and run the Next.js application 2. Test authorization denies access to the /api/hello endpoint $ curl...

next-attack

This is a Next.js project bootstrapped with create-next-app. Testing the vulnerability First, you can confirm that the middleware works and should redirect the user: curl http://localhost:3000/api/admin Then, you can show how the middleware is being bypassed with the followign command: curl -H...