Vulnerability Database
289,697
Total vulnerabilities in the database
CVE-2025-31137
React Router is a multi-strategy router for React bridging the gap from React 18 to React 19. There is a vulnerability in Remix/React Router that affects all Remix 2 and React Router 7 consumers using the Express adapter. Basically, this vulnerability allows anyone to spoof the URL used in an incoming Request by putting a URL pathname in the port section of a URL that is part of a Host or X-Forwarded-Host header sent to a Remix/React Router request handler. This issue has been patched and released in Remix 2.16.3 and React Router 7.4.1.
| Software | From | Fixed in |
|---|---|---|
@react-router / express
|
7.0.0 | 7.4.1 |
|
@remix-run / express
|
2.11.1 | 2.16.3 |