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CVE-2025-29927 PoC — Authorization Bypass in Next.js Middleware

Source
https://github.com/Nekicj/CVE-2025-29927-exploit
Associated Vulnerability
Title:Authorization Bypass in Next.js Middleware (CVE-2025-29927)
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 is possible to bypass authorization checks within a Next.js application, if the authorization check occurs in middleware. If patching to a safe version is infeasible, it is recommend that you prevent external user requests which contain the x-middleware-subrequest header from reaching your Next.js application. This vulnerability is fixed in 12.3.5, 13.5.9, 14.2.25, and 15.2.3.
Description
how to hack 90% of next.js created websites with CVE-2025-29927 vulnerability exploit
File Snapshot

 [4.0K]  /data/pocs/02d1ebbf480bfda6804f7ca33d4d6d3bab7667cc
├── [   0]  domains.txt
├── [ 856]  main.py
├── [2.8K]  sites-parser.py
└── [1.5K]  sites.txt

0 directories, 4 files
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