Authentication Bypass Using an Alternate Path or Channel

Overview next is a react framework. Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel via dynamic full-route RSC requests in the deployment adapter. An attacker can gain unauthorized access to protected content by injecting a URL with que...

Incorrect Authorization

Overview next is a react framework. Affected versions of this package are vulnerable to Incorrect Authorization in the /next/data//.json route when i18n is configured and authorization is enforced via middleware or proxy. An attacker can gain unauthorized access to sensitive server-side-rendered...

GHSA-8H8Q-6873-Q5FJ 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...

NPM: Next.js Vulnerable to Denial of Service with Server Components

NPM: Next.js Vulnerable to Denial of Service with Server Components vulnerability discovered by ? in WordPress Npm next versions = 13.0.0, 15.5.16...

PT-2026-39754

Name of the Vulnerable Software and Affected Versions Next.js versions 15.2.0 through 15.5.17 Next.js versions 16.0.0 through 16.2.5 Description A flaw exists where a previous security fix was not correctly applied to middleware.ts when used in conjunction with Turbopack, a high-performance...

CVE-2026-23870: Imperva Customers Protected Against Critical React Server Components DoS Vulnerability

TL;DR:A newly disclosed denial-of-service vulnerability, CVE-2026-23870, impacts React Server Components and dependent frameworks, including Next.js App Router deployments. The flaw enables unauthenticated attackers to send specially crafted HTTP requests that trigger excessive CPU consumption...

Exploit for CVE-2026-23870

Next.js v16.2.4 Security PoC Collection This repository colle...

Allocation of Resources Without Limits or Throttling

Overview next is a react framework. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via server function endpoints. An attacker can cause out-of-memory exceptions or induce excessive CPU usage by sending malicious FormData in an HTTP request...

PT-2026-41502

Summary icu-minify's runtime formatter resolves select branches by looking up the runtime value as a plain property on a prototype-bearing object. When the value coerces to a key that exists on Object.prototype e.g. toString, proto , constructor, hasOwnProperty, valueOf, the lookup returns a trut...

PT-2026-38637

Name of the Vulnerable Software and Affected Versions Next.js affected versions not specified Description An authorization bypass exists in applications that use middleware to protect dynamic routes. Attackers can use specially crafted query parameters to alter the dynamic route value perceived b...

PT-2026-39408

Name of the Vulnerable Software and Affected Versions Next.js versions 12.2.0 through 15.5.15 Next.js versions 16.0.0 through 16.2.4 Description Applications using the Pages Router with i18n configured and middleware or proxy-based authorization may allow unauthorized access to protected page dat...

PT-2026-39411

Name of the Vulnerable Software and Affected Versions Next.js versions prior to 15.5.16 Next.js versions prior to 16.2.5 Description Applications utilizing Partial Prerendering via the Cache Components feature are susceptible to connection exhaustion. A crafted POST request to a server action can...

PT-2026-39410

Name of the Vulnerable Software and Affected Versions Next.js versions 10.0.0 through 15.5.15 Next.js versions 16.0.0 through 16.2.4 Description When self-hosting with the default image loader, the Image Optimization API fetches local images entirely into memory without enforcing a maximum size...

PT-2026-39409

Name of the Vulnerable Software and Affected Versions Next.js versions 15.2.0 through 15.5.15 Next.js versions 16.0.0 through 16.2.4 Description App Router applications using middleware or proxy-based authorization checks may allow unauthorized access via transport-specific route variants used fo...

next: Next.js Server-Side Request Forgery in Server Actions

A Server-Side Request Forgery SSRF vulnerability was identified in Next.js Server Actions. If the Host header is modified, and the below conditions are also met, an attacker may be able to make requests that appear to be originating from the Next.js application server itself. The required...

next.js: Next.js: Unbounded next/image disk cache growth can exhaust storage

An unbounded disk usage flaw has been discovered in Next.js. The default Next.js image optimization disk cache /next/image did not have a configurable upper bound, allowing unbounded cache growth. An attacker could generate many unique image-optimization variants and exhaust disk space, causing...

CVE-2026-7643

A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This impacts an unknown function of the file Next.js of the component API Endpoint. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The exploit has been...

EUVD-2026-26797

A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This impacts an unknown function of the file Next.js of the component API Endpoint. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The exploit has been...

CVE-2026-7643

ChatGPTNextWeb NextChat API Endpoint (Next.js) vulnerable up to version 2.16.1. A manipulation can yield a permissive cross-domain policy with untrusted domains via the Next.js API Endpoint component. The issue can be exploited remotely; an exploit has been published. CVSS metrics indicate a MEDI...

NextChat Access Control Vulnerability

NextChat is an open-source project developed by NextChat for quickly deploying private ChatGPT web applications. Versions of NextChat 2.16.1 and earlier contained a access control vulnerability, which was caused by improper cross-domain policies in unknown functions in Next.js files. This...