GHSA-6CQP-G7GG-8HR5 Netty: Security Control Bypass via CORS Short-Circuit Failure

Summary Netty's CorsHandler provides a shortCircuit configuration designed to reject unauthorized cross-origin requests immediately, acting as a security control before requests reach the application. However, due to a logical operator error in the origin evaluation process, this protection can b...

Netty: Security Control Bypass via CORS Short-Circuit Failure

Summary Netty's CorsHandler provides a shortCircuit configuration designed to reject unauthorized cross-origin requests immediately, acting as a security control before requests reach the application. However, due to a logical operator error in the origin evaluation process, this protection can b...

Incorrect Authorization

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to Incorrect Authorization in the CorsHandler. An attacker can gain unauthorized access to...

DEBIAN-CVE-2026-56746

Netty is a network application framework for development of protocol servers and clients. Versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, are vulnerable to security control bypass during the origin evaluation process. CorsHandler provides a shortCircuit...

CVE-2026-56746

Netty is a network application framework for development of protocol servers and clients. Versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, are vulnerable to security control bypass during the origin evaluation process. CorsHandler provides a shortCircuit...

CVE-2026-56746 Netty has a Security Control Bypass via CORS Short-Circuit Failure

Netty is a network application framework for development of protocol servers and clients. Versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, are vulnerable to security control bypass during the origin evaluation process. CorsHandler provides a shortCircuit...

CVE-2026-56746

Netty (versions 4.2.0.Final–4.2.15.Final and 4.1.0.Final–4.1.135.Final) contains a security control bypass in CorsHandler’s origin evaluation due to a logical operator error. An attacker can bypass the short-circuit protection by sending Origin: null, causing unauthorized requests to reach the ba...

CVE-2026-56746 Netty has a Security Control Bypass via CORS Short-Circuit Failure

Netty is a network application framework for development of protocol servers and clients. Versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, are vulnerable to security control bypass during the origin evaluation process. CorsHandler provides a shortCircuit...

CVE-2026-27977

A CSRF check bypass flaw has been discovered in Next.js. In the next dev, cross-site protection for internal websocket endpoints could treat Origin: null as a bypass case even if allowedDevOrigins is configured, allowing privacy-sensitive/opaque contexts for example sandboxed documents to connect...

CVE-2026-27978

A CSRF check bypass flaw has been discovered in Next.js. The origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass origin verification instead of being validated as cross-origin...

CVE-2026-27977

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, in next dev, cross-site protection for internal websocket endpoints could treat Origin: null as a bypass case even if allowedDevOrigins is configured, allowing...

Linux Distros Unpatched Vulnerability : CVE-2026-27977

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. Starting in version 16.0.1 and prior to version 16.1.7, in next dev, cross-site protectio...

Linux Distros Unpatched Vulnerability : CVE-2026-27978

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. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a...

CVE-2026-27978

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

CVE-2026-27978

Next.js (React framework) vulnerability CVE-2026-27978: in versions 16.0.1 up to 16.1.7, origin: null was treated as missing during Server Action CSRF validation, allowing requests from opaque contexts (e.g., sandboxed iframes) to bypass origin verification and potentially trigger state-changing ...

CVE-2026-27978 Next.js: null origin can bypass Server Actions CSRF checks

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

CVE-2026-27978 Next.js: null origin can bypass Server Actions CSRF checks

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

CVE-2026-27978 Next.js: null origin can bypass Server Actions CSRF checks

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

CVE-2026-27977

CVE-2026-27977 affects the Next.js development server. The vulnerability lies in the Next.js dev mode where cross-site protection for internal HMR websocket endpoints could treat Origin: null as a permitted bypass even when allowedDevOrigins is configured, allowing privacy-sensitive contexts (e.g...

CVE-2026-27977

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, in next dev, cross-site protection for internal websocket endpoints could treat Origin: null as a bypass case even if allowedDevOrigins is configured, allowing...