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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| next(npm) | 13.0.0 | 13.5.9 | N/A |
| next(npm) | 14.0.0 | 14.2.25 | N/A |
| next(npm) | 15.0.0 | 15.2.3 | N/A |
| next(npm) | 11.1.4 | 12.3.5 | N/A |
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