CVE-2026-45109

This CVE relates to Next.js prior to fixes: from 15.2.0 to before 15.5.18 and 16.2.6, the fix for CVE-2026-44575 did not apply to middleware.ts with Turbopack. The vulnerability is fixed in Next.js versions 15.5.18 and 16.2.6. Affected software: Next.js (Next.js framework for full‑stack apps). Un...

CVE-2026-44575

Summary: CVE-2026-44575 affects Next.js App Router: middleware/proxy authorization checks can be bypassed via transport-specific route variants used for segment prefetching. Specifically, in versions 15.2.0–before 15.5.16 and 16.2.5, specially crafted .rsc and segment-prefetch URLs can resolve to...

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

NPM: Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes vulnerability discovered by ? in WordPress Npm next versions = 15.2.0, 15.5.16...