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 CVE-2025-29927 Vulnerability All versions of Next.js from 11.1.4 through 13.5.6, 14.x before 14.2.25, and 15.x before 15.2.3 are affected by this vulnerability. The impact is particularly significant for applications that rely on middleware for implementing access controls, as...

CVE-2025-29927_demo

CVE-2025-29937 Reproduction Steps root@kitploit: npm i npm run dev curl -H "x-middleware-subrequest: middleware:middleware:middleware:middleware:middleware" http://localhost:3000/protected...

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...

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 root@kitploit: git clone...

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...

CVE-2025-29927

CVE-2025-29927 Introduction This document presents a study of the vulnerability CVE-2025-29927 , affecting the Middleware mechanism in the Next.js framework. Next.js is a popular open-source framework from Vercel for building React-based applications. It supports server-side rendering, static...

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...

cve-2025-29927-demo

cve-2025-29927-demo Demo reproducing the authorization bypass vulnerability in Next.js. For details on this vulnerability, refer to Summary of Next.js vulnerability CVE-2025-29927 . How to Reproduce the Vulnerability 1. Clone this repository. root@kitploit: git clone...

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-2025-2995

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...

CVE-2025-29927

🔍 CVE-2025-29927 - Next.js Middleware Bypass Detector This Python-based smart scanner helps detect the CVE-2025-29927 vulnerability in Next.js applications — a critical middleware bypass that allows attackers to skip authentication using a crafted HTTP header. 🧠 The tool identifies not only HTTP...

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...

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...

claude-create-CVE-2025-29927

Next.js Middleware Vulnerability Tester CVE-2025-29927 This application demonstrates the Next.js middleware authorization bypass vulnerability CVE-2025-29927. About The Vulnerability CVE-2025-29927 is an authorization bypass vulnerability in Next.js middleware. By sending a specially crafted HTTP...

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...

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-2025-29972

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...

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_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...