CVE-2026-44577: Allocation of Resources Without Limits or Throttling

Next.js is a React framework for building full-stack web applications. From 10.0.0 to before 15.5.16 and 16.2.5, when self-hosting Next.js with the default image loader, the Image Optimization API fetches local images entirely into memory without enforcing a maximum size limit. An attacker could...

CVE-2026-44578: Server-Side Request Forgery (SSRF)

Next.js is a React framework for building full-stack web applications. From 13.4.13 to before 15.5.16 and 16.2.5, self-hosted applications using the built-in Node.js server can be vulnerable to server-side request forgery through crafted WebSocket upgrade requests. An attacker can cause the serve...

CVE-2026-44579: Allocation of Resources Without Limits or Throttling

Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected...

CVE-2026-44580: Improper Neutralization of Input During Web Page Generation

Next.js is a React framework for building full-stack web applications. From 13.0.0 to before 15.5.16 and 16.2.5, applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, serialized script content was not escap...

CVE-2026-44582: Use of Weak Hash

Next.js is a React framework for building full-stack web applications. From 13.4.6 to before 15.5.16 and 16.2.5, React Server Component responses can be vulnerable to cache poisoning in deployments that rely on shared caches with insufficient response partitioning. In affected conditions,...

CVE-2026-44576: Interpretation Conflict

Next.js is a React framework for building full-stack web applications. From 14.2.0 to before 15.5.16 and 16.2.5, applications using React Server Components can be vulnerable to cache poisoning when shared caches do not correctly partition response variants. Under affected conditions, an attacker...

CVE-2026-44581: Improper Neutralization of Input During Web Page Generation

Next.js is a React framework for building full-stack web applications. From 13.4.0 to before 15.5.16 and 16.2.5, App Router applications that rely on CSP nonces can be vulnerable to stored cross-site scripting when deployed behind shared caches. In affected versions, malformed nonce values derive...

Next.js cross-site scripting vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 13.4.0 to 15.5.16, as well as versions before 16.2.5, have a cross-site scripting vulnerability. This vulnerability arises when the App Router application relies on CSP nonce. A format- incorrect nonce value is derived...

Next.js cross-site scripting vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 13.0.0 to 15.5.16, as well as versions before 16.2.5, have a cross-site scripting vulnerability. This vulnerability arises from the use of the beforeInteractive script when embedding trusted content, where the serialized...

Next.js security vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 13.4.6 to 15.5.16, as well as versions before 16.2.5, have security vulnerabilities. These vulnerabilities stem from deployments that rely on shared caching and have insufficient response partitioning. A cache corruption...

Next.js security vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js prior to 15.5.16 and 16.2.5 have a security vulnerability. This vulnerability arises from using the Partial Prerendering feature of Cache Components. A specially crafted POST request to the server can lead to connection...

Next.js security vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 10.0.0 to 15.5.16, as well as versions before 16.2.5, have security vulnerabilities. These vulnerabilities arise from the default image loader being hosted on the server, where the Image Optimization API loads local imag...

Next.js security vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 14.2.0 to 15.5.16, as well as versions before 16.2.5, have security vulnerabilities. These vulnerabilities stem from improperly partitioning response variants when using React Server Components, which can lead to cache...

Next.js security vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 15.2.0 to 15.5.16, as well as versions before 16.2.5, have security vulnerabilities. These vulnerabilities arise when the App Router relies on middleware or proxy authorization checks. Specific route variants are used fo...

Next.js security vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 15.4.0 to 15.5.16, as well as versions before 16.2.5, have security vulnerabilities. These vulnerabilities arise from the use of middleware that protects dynamic routes. In this scenario, specially crafted query paramete...

Next.js /_next/image OOM (GHSA-h64f) detection

Fingerprints Next.js and flags versions 16.2.5 potentially affected by GHSA-h64f-5h5j-jqjh /next/image OOM. !/usr/bin/env python3 -- coding: utf-8 -- from kittysploit import from lib.protocols.http.httpclient import Httpclient from lib.scanner.http.nextjsprobe import runnextjsversionscan class...

Next.js next/script beforeInteractive XSS (GHSA-gx5p-jg67-6x7h)

GET the page with a reflected query param containing a breakout; checks whether it appears verbatim after self.nexts=....push unsafe JSON-in-script vs \u003c escapes patched. Requires a page that forwards the param into props. !/usr/bin/env python3 -- coding: utf-8 -- from urllib.parse import...

Next.js RSC / HTML cache poisoning (GHSA-wfc6-r584-vfw7)

Three GETs on the same URL: baseline, then with loose RSC + Next-Router-Prefetch, then clean again. Pre-16.2.5 stacks may mis-classify Flight as text/html so CDNs cache RSC bytes under an HTML content-type key. !/usr/bin/env python3 -- coding: utf-8 -- from kittysploit import from...

Next.js x-nextjs-data redirect cache poisoning (GHSA-3g8h) detection

Fingerprints Next.js and flags versions 16.2.5 affected by GHSA-3g8h-86w9-wvmq x-nextjs-data redirect cache poisoning. !/usr/bin/env python3 -- coding: utf-8 -- from kittysploit import from lib.protocols.http.httpclient import Httpclient from lib.scanner.http.nextjsprobe import runnextjsversionsc...

Next.js Next-Resume DoS (GHSA-mg66) detection

Fingerprints Next.js and flags versions 16.2.5 potentially affected by GHSA-mg66-mrh9-m8jx Next-Resume DoS. !/usr/bin/env python3 -- coding: utf-8 -- from kittysploit import from lib.protocols.http.httpclient import Httpclient from lib.scanner.http.nextjsprobe import runnextjsversionscan class...