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...

next-js-auth-bypass

Hello World - Next.js 12.2 A simple proof of concept Next.js 12.2 application. 🚀 Quick Start 1. Install Dependencies npm install 2. Run the Development Server npm run dev The application will be available at http://localhost:3000 🛠️ Available Scripts npm run dev - Start development server npm...

nextjs-middleware-exploit

Next.js Middleware Vulnerability Research CVE-2025-29927 This repository demonstrates a critical vulnerability in Next.js middleware CVE-2025-29927, which affects versions 11.1.4 through 15.1.7. This vulnerability allows for authorization bypass , CSP bypass , and potential DoS attacks through...

PoC-CVE-2025-29927

PoC-CVE-2025-29927 what is the vuln? this cve reports an flaw in the header x-middleware-subrequest, responsible to takes internal requests in next.js, who allow an attacker bypass the authorization middlewares in next.js 15.0.0 and acess protected routes, for example real example in a webapp,...

CVE-2025-29927

CVE-2025-29927 Critical - 9.1 Next.js Middleware Bypass Vulnerability Hands-On of CVE-2025-29927 vulnerability in Next.js application where the internal header x-middleware-subrequest can be used to bypass middleware authentication and restricted access. Explained Next.js use an internal header...

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_Scanner

CVE-2025-29927 Checker 📌 Introduction This script checks for the CVE-2025-29927 vulnerability in Next.js servers by testing multiple payloads in the x-middleware-subrequest header to detect unauthorized access. ❓ What is CVE-2025-29927? CVE-2025-29927 is a vulnerability that allows security...

poc-cve-2025-29927

Next.js Middleware Bypass CVE-2025-29927 Proof of Concept This repository contains a proof of concept POC for CVE-2025-29927 , a critical vulnerability in Next.js that allows attackers to bypass authorization checks implemented in middleware. 📋 Table of Contents 1. Running the POC Application 2...

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 ★ CVE-2025-29927 Next.js middleware bypass PoC ★ Description CVE-2025-29927 : Next.js middleware bypass PoC description: Next.js is a React framework for building full-stack web applications. Starting in version 1.11.4 and prior to versions 12.3.5, 13.5.9, 14.2.25, and 15.2.3, it i...

PoC-for-Next.js-Middleware

PoC for Next.js Middleware Bypass CVE-2025-29927 This is a proof-of-concept for a fictional Next.js middleware bypass vulnerability CVE-2025-29927. Use only for educational and authorized security research. 🚀 Features Feature| Description ---|--- ✨ Color & Verbose| Color-coded output; -v for...

CVE-2025-29927

Next.js Vulnerability Demo CVE-2025-29927 This repository contains a demonstration of the Next.js vulnerability CVE-2025-29927, which affects Next.js version 15.2.2 and earlier. The vulnerability allows attackers to bypass middleware authentication checks by setting an x-middleware-subrequest...

NextSecureScan

NextSecureScan - Next.js-CVE-2025-29927 Middleware Vulnerability Scanner NextSecureScan is a comprehensive security scanner specifically designed to identify middleware-related authorization bypass vulnerabilities CVE-2025-29927 in Next.js applications. This scanner leverages explicit header...

CVE-2025-29927

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. Affected Versions Next.js 15.x 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-POC

CVE-2025-29927-POC Introduction This repository contains a Proof of Concept PoC for CVE-2025-29927, a hypothetical vulnerability demonstrating a flaw in middleware handling within a web application. The PoC illustrates how a specially crafted HTTP request can bypass redirection logic to access...

POC-CVE-2025-29927-

Affected Next.js 15.x 15.2.3, 14.x 14.2.25, Next.js 13.x 13.5.9 Self-hosted setups that use Middleware for critical functionality, such as authentication. Guide npm run dev curl --compressed -X GET http://localhost:3000/dashboard \ -H "Host: localhost:3000" \ -H "sec-ch-ua: "Chromium";v="135",...

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-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...

nextjs-middleware-bypass-demo

CVE-2025-29927 Demo Original writeup: https://zhero-web-sec.github.io/research-and-things/nextjs-and-the-corrupt-middleware Setup First, run the development server: npm i npm run dev Open http://localhost:3000 with your browser to see the result. Trying out the bypass curl -I http://localhost:300...