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-2026-64641 Next.js: Denial of Service in App Router using Server Actions

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...

PT-2026-63561

Name of the Vulnerable Software and Affected Versions Next.js versions 13.0.0 through 15.5.20 Next.js versions 16.0.0 through 16.2.10 Description Requests targeting applications using App Router with at least one Server Action can lead to excessive memory consumption when that Server Action...

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.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes - Incomplete Fix Follow-Up

Impact It was found that the fix addressing CVE-2026-44575 did not apply to middleware.ts with Turbopack. Refer to CVE-2026-44575 for further details. References - CVE CVE-2026-44575...

Next.js Vulnerable to Denial of Service with Server Components

A vulnerability affects certain React Server Components packages for versions 19.x and frameworks that use the affected packages, including Next.js 13.x, 14.x, 15.x, and 16.x using the App Router. The issue is tracked upstream as CVE-2026-23870. A specially crafted HTTP request can be sent to any...

CVE-2026-32887

Effect is a TypeScript framework that consists of several packages that work together to help build TypeScript applications. Prior to version 3.20.0, when using RpcServer.toWebHandler or HttpApp.toWebHandlerRuntime inside a Next.js App Router route handler, any Node.js AsyncLocalStorage-dependent...

CVE-2026-32887 Effect Bug: `AsyncLocalStorage` context lost/contaminated inside Effect fibers under concurrent load with RPC

Effect is a TypeScript framework that consists of several packages that work together to help build TypeScript applications. Prior to version 3.20.0, when using RpcServer.toWebHandler or HttpApp.toWebHandlerRuntime inside a Next.js App Router route handler, any Node.js AsyncLocalStorage-dependent...

CVE-2026-32887 Effect Bug: `AsyncLocalStorage` context lost/contaminated inside Effect fibers under concurrent load with RPC

Effect is a TypeScript framework that consists of several packages that work together to help build TypeScript applications. Prior to version 3.20.0, when using RpcServer.toWebHandler or HttpApp.toWebHandlerRuntime inside a Next.js App Router route handler, any Node.js AsyncLocalStorage-dependent...

CVE-2026-32887

Effect is a TypeScript framework that consists of several packages that work together to help build TypeScript applications. Prior to version 3.20.0, when using RpcServer.toWebHandler or HttpApp.toWebHandlerRuntime inside a Next.js App Router route handler, any Node.js AsyncLocalStorage-dependent...

CVE-2026-32887

The Connected document details a concurrency vulnerability in the Effect ecosystem where AsyncLocalStorage (ALS) context is not properly propagated across fibers in a web handler under concurrent load. Root cause: a scheduler drains multiple fiber continuations in a single drain cycle, causing AL...

CVE-2026-30942

Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools. Prior to 1.7.3, an authenticated path traversal vulnerability in /api/avatars/filename allows any logged-in user to read arbitrary files from within the application container. The filename URL...

Exploit for Deserialization of Untrusted Data in Facebook React

🚨 NextRce — CVE-2025-55182 Next.js / React Server Components...

Exploit for Deserialization of Untrusted Data in Facebook React

Parameters - -f: File to scan default: urls.txt - -f...

Exploit for Deserialization of Untrusted Data in Facebook React

NextRce - Next.js RSC Exploit Tool CVE-2025-55182...

Exploit for Deserialization of Untrusted Data in Facebook React

Vulnerable Next.js RSC Application - CVE-2025-55182 ⚠️ WARN...

Exploit for CVE-2025-55182

CVE-2025-55182 POC for Next.js App-Router CVE-2025-55182 POC...

Malicious code in spark-nextjs-app (npm)

The package spark-nextjs-app was found to contain malicious code...

MAL-2025-46116 Malicious code in spark-nextjs-app (npm)

The package spark-nextjs-app was found to contain malicious code...

Malicious code in nextjs-app-router (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 1be3a353ab6fd3d56d1698543312d483fa52ee3aa1fbc09c0d9efbf8c6b99e33 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...