next.js: Next.js: Unauthorized access to protected content via middleware bypass

A flaw was found in Next.js. App Router applications that use middleware or proxy-based authorization checks are vulnerable to unauthorized access. A remote attacker can exploit this by crafting specific .rsc and segment-prefetch URLs, which bypass the intended middleware rules. This allows acces...

next: Next.js: Denial of Service via crafted requests to App Router with Server Actions

A flaw was found in Next.js, a React framework for building web applications. A remote attacker can send specially crafted requests to Next.js applications that utilize the App Router with Server Actions. This can lead to excessive CPU usage, causing the application to become unresponsive and...

Linux Distros Unpatched Vulnerability : CVE-2026-64642

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Next.js is a React framework for building full-stack web applications. In versions 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using...

CVE-2026-64646

A flaw was found in Next.js. An attacker sending specially crafted requests to a Next.js application utilizing the App Router with Server Actions configured to use the Edge runtime can cause excessive memory consumption. This can lead to a denial of service DoS due to resource exhaustion...

CVE-2026-64642

A flaw was found in Next.js, a React framework. A remote attacker can bypass authentication in Next.js applications using App Router built with Turbopack and a single entry in config.i18n.locales by sending crafted requests. This vulnerability allows for unauthorized access, leading to a high...

CVE-2026-64641

A flaw was found in Next.js, a React framework for building web applications. A remote attacker can send specially crafted requests to Next.js applications that utilize the App Router with Server Actions. This can lead to excessive CPU usage, causing the application to become unresponsive and...

CVE-2026-64646

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the...

CVE-2026-64646 Next.js: Unbounded Server Action payload in Edge runtime

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the...

EUVD-2026-49401

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the...

CVE-2026-64646

CVE-2026-64646 affects Next.js versions 13.0.0–15.5.20 and 16.0.0–16.2.10 where App Router Server Actions running in the Edge runtime can cause unbounded memory growth from oversized Server Action payloads. Impact is excessive memory consumption; fix is upgrade to Next.js 15.5.21 or 16.2.11 (or l...

CVE-2026-64646 Next.js: Unbounded Server Action payload in Edge runtime

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the...

CVE-2026-64646

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the...

CVE-2026-64642

Next.js is a React framework for building full-stack web applications. In versions 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using App Router built with Turbopack and a single entry in config.i18n.locales can bypass middleware/proxy based authentication. This issue h...

CVE-2026-64643

Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions use server or use cache endpoints can be disclosed bypassing any authentication on the pages where these...

CVE-2026-64641

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive CPU usage blocking processing of further...

CVE-2026-64643 Next.js: Unauthenticated Disclosure of Internal Server Function endpoints

Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions use server or use cache endpoints can be disclosed bypassing any authentication on the pages where these...

CVE-2026-64643

Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions use server or use cache endpoints can be disclosed bypassing any authentication on the pages where these...

CVE-2026-64643 Next.js: Unauthenticated Disclosure of Internal Server Function endpoints

Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions use server or use cache endpoints can be disclosed bypassing any authentication on the pages where these...

CVE-2026-64643

CVE-2026-64643 affects Next.js (versions 12.0.0–15.5.20 and 16.0.0–16.2.10) where apps using App Router, Server Actions (use server) or cache endpoints can disclose internal Server Action IDs and endpoints to unauthenticated users via publicly served client artifacts. This disclosure allows unaut...

CVE-2026-64642 Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale

Next.js is a React framework for building full-stack web applications. In versions 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using App Router built with Turbopack and a single entry in config.i18n.locales can bypass middleware/proxy based authentication. This issue h...