GHSA-267C-6GRR-H53F Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes

Impact App Router applications that rely on middleware or proxy-based checks for authorization can allow unauthorized access through transport-specific route variants used for segment prefetching. In affected configurations, specially crafted .rsc and segment-prefetch URLs can resolve to the same...

Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes

Impact App Router applications that rely on middleware or proxy-based checks for authorization can allow unauthorized access through transport-specific route variants used for segment prefetching. In affected configurations, specially crafted .rsc and segment-prefetch URLs can resolve to the same...