CVE-2026-44578

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-2026-44578 Next.js: Server-side request forgery in applications using WebSocket upgrades

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...

Next.js vulnerable to server-side request forgery in applications using WebSocket upgrades

Impact 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 server to proxy requests to arbitrary internal or external destinations, which may expose internal services or...

CVE-2025-54793 Astro: Duplicate trailing slash feature can lead to Open Redirects

Astro is a web framework for content-driven websites. In versions 5.2.0 through 5.12.7, there is an Open Redirect vulnerability in the trailing slash redirection logic when handling paths with double slashes. This allows an attacker to redirect users to arbitrary external domains by crafting URLs...

CVE-2025-54793 Astro: Duplicate trailing slash feature can lead to Open Redirects

Astro is a web framework for content-driven websites. In versions 5.2.0 through 5.12.7, there is an Open Redirect vulnerability in the trailing slash redirection logic when handling paths with double slashes. This allows an attacker to redirect users to arbitrary external domains by crafting URLs...

GHSA-WFF4-FPWG-QQV3 Unexpected server crash in Next.js

Impact When specific requests are made to the Next.js server it can cause an unhandledRejection in the server which can crash the process to exit in specific Node.js versions with strict unhandledRejection handling. - Affected: All of the following must be true to be affected by this CVE - Node.j...

ALPINE-CVE-2021-43803

Next.js is a React framework. In versions of Next.js prior to 12.0.5 or 11.1.3, invalid or malformed URLs could lead to a server crash. In order to be affected by this issue, the deployment must use Next.js versions above 11.1.0 and below 12.0.5, Node.js above 15.0.0, and next start or a custom...

GHSA-25MP-G6FV-MQXX Unexpected server crash in Next.js.

Next.js is a React framework. In versions of Next.js prior to 12.0.5 or 11.1.3, invalid or malformed URLs could lead to a server crash. In order to be affected by this issue, the deployment must use Next.js versions above 11.1.0 and below 12.0.5, Node.js above 15.0.0, and next start or a custom...