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CVE-2025-30218 Next.js is a React framework for building full-stack web applications

Description

Next.js is a React framework for building full-stack web applications. To mitigate CVE-2025-29927, Next.js validated the x-middleware-subrequest-id which persisted across multiple incoming requests. However, this subrequest ID is sent to all requests, even if the destination is not the same host as the Next.js application. Initiating a fetch request to a third-party within Middleware will send the x-middleware-subrequest-id to that third party. This vulnerability is fixed in 12.3.6, 13.5.10, 14.2.26, and 15.2.4.

Produits et versions touchés

Produit Versions touchées Corrigé en
next.js 15.2.3 Pas de correctif indiqué
next.js 14.2.25 Pas de correctif indiqué
next.js 13.5.9 Pas de correctif indiqué
next.js 12.3.5 Pas de correctif indiqué
Les 57 CVE de next.js →
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