EUVD-2026-41558

webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints...

webpack-dev-server: webpack-dev-server: Information disclosure and denial of service via improper proxy configuration

A flaw was found in webpack-dev-server. When a user configures a proxy with a broad context, such as '/', and enables WebSocket ws: true forwarding, the development server's own Hot Module Replacement HMR WebSocket can be intercepted. This interception leads to the leakage of the browser's cookie...

Important: Red Hat Security Advisory: Red Hat Data Grid 8.6.2 security update

An update for Red Hat Data Grid 8 is now available. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the...

ROOT-APP-NPM-CVE-2025-30360 CVE-2025-30360 in @rootio/webpack-dev-server - Patched by Root

Root has patched CVE-2025-30360 in the @rootio/webpack-dev-server package for Root:npm. Multiple fixed versions available...

ROOT-APP-NPM-CVE-2026-6402 CVE-2026-6402 in @rootio/webpack-dev-server - Patched by Root

Root has patched CVE-2026-6402 in the @rootio/webpack-dev-server package for Root:npm. Multiple fixed versions available...

ROOT-APP-NPM-CVE-2026-9595 CVE-2026-9595 in @rootio/webpack-dev-server - Patched by Root

Root has patched CVE-2026-9595 in the @rootio/webpack-dev-server package for Root:npm. Multiple fixed versions available...

ROOT-APP-NPM-CVE-2025-30359 CVE-2025-30359 in @rootio/webpack-dev-server - Patched by Root

Root has patched CVE-2025-30359 in the @rootio/webpack-dev-server package for Root:npm. Multiple fixed versions available...

CVE-2026-14631

A flaw was found in webpack-dev-server. An unauthenticated remote attacker could send a specially crafted HTTP request with a malformed Host header or a WebSocket upgrade with a malformed Origin header. This malformed input causes an uncaught exception, leading to the termination of the Node.js...

Improper Input Validation

Overview webpack-dev-server is an Uses webpack with a development server that provides live reloading. It should be used for development only. Affected versions of this package are vulnerable to Improper Input Validation through the host-validation process. An attacker can cause the server to...

Cross-site Request Forgery (CSRF)

Overview webpack-dev-server is an Uses webpack with a development server that provides live reloading. It should be used for development only. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the open-editor and invalidate endpoints. An attacker can open...

CVE-2026-14631

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631 webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631 webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14620

webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server's own page. Any websi...

CVE-2026-14620

webpack-dev-server prior to 5.2.6 exposes two internal endpoints (/webpack-dev-server/open-editor and /webpack-dev-server/invalidate) that perform state-changing actions on any GET request without origin verification. This enables cross-origin interactions when a user visits any website while the...

CVE-2026-14620 webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints

webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server's own page. Any websi...

CVE-2026-14620 webpack-dev-server vulnerable to cross-site request forgery via internal developer endpoints

webpack-dev-server versions 5.2.5 and earlier expose two internal developer endpoints, /webpack-dev-server/open-editor and /webpack-dev-server/invalidate, that perform state-changing actions on any GET request without verifying that the request originated from the dev server's own page. Any websi...

PT-2026-55575

Name of the Vulnerable Software and Affected Versions webpack-dev-server versions prior to 5.2.6 Description Internal developer endpoints '/webpack-dev-server/open-editor' and '/webpack-dev-server/invalidate' perform state-changing actions on GET requests without verifying the request origin. Thi...

CVE-2026-9595

A flaw was found in webpack-dev-server. When a user configures a proxy with a broad context, such as '/', and enables WebSocket ws: true forwarding, the development server's own Hot Module Replacement HMR WebSocket can be intercepted. This interception leads to the leakage of the browser's cookie...