CVE-2025-55182-realistic-poc

CVE-2025-55182: React Server Components RCE A minimal proof of concept demonstrating the critical Remote Code Execution vulnerability in [email protected]. What is CVE-2025-55182? A pre-authentication RCE vulnerability in React Server Components that allows attackers to execute arbitrary cod...

CVE-2026-112085

A flaw was found in webpack-dev-server. When configured to forward WebSocket connections through a proxy, the server does not validate incoming Host or Origin headers on connection upgrade requests. A remote attacker could exploit this by enticing a user to visit a malicious website, enabling the...

React2shell-CVE-2025-55182-checker

CVE-2025-55182 React2Shell Detection Tool Detection tools for finding vulnerable React Server Components in your infrastructure. Quick Start Install dependencies pip3 install requests Version detection passive, safe for production python3 checker.py -u https://your-app.com What's Vulnerable React...

CVE-2025-55182

CVE-2025-55182 Proof-of-Concept for CVE-2025-55182, a critical unauthenticated RCE in React Server Components. ⚠️ Disclaimer This document is provided strictly for educational, defensive, and authorized security research purposes. Do NOT attempt to exploit systems or applications without explicit...

Sentry-Javascript: Middleware Bypass when using Tunnel route

Impact The tunnelRoute option makes the SDK send browser events to a path on your own Next.js server for example /monitoring, where a rewrite forwards them to Sentry to prevent ad blockers from blocking them. To keep those envelope requests from being rejected by your middleware, the SDK skips...

GHSA-MCHM-GJX6-7H55 Sentry-Javascript: Middleware Bypass when using Tunnel route

Impact The tunnelRoute option makes the SDK send browser events to a path on your own Next.js server for example /monitoring, where a rewrite forwards them to Sentry to prevent ad blockers from blocking them. To keep those envelope requests from being rejected by your middleware, the SDK skips...

EUVD-2026-107549

Sentry-Javascript: Middleware Bypass when using Tunnel route...

CVE-2026-112085

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...

CVE-2026-114348

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

CVE-2026-114348

A flaw was found in webpack-dev-server. An unauthenticated remote attacker can exploit improper Host header validation in the open-editor endpoint to obtain sensitive technical information. By sending a request with a specially crafted Host header, the attacker triggers an internal server error...

CVE-2026-114348

The webpack-dev-server development server (versions 5.1.0 to 5.2.6 and 6.0.0 ) is vulnerable to information disclosure via an unauthenticated open-editor endpoint . The root cause is a Host header validation bypass where values starting with file: or specific extension schemes short-circuit secur...

CVE-2026-114348 webpack-dev-server vulnerable to information disclosure via Host validation bypass in the open-editor endpoint

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

EUVD-2026-108109

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

CVE-2026-114348

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions from 5.1.0 before 5.2.7 and in version 6.0.0, the unauthenticated open-editor endpoint validates the Host header with a regular expression meant for browser Origin schemes, so a Host value...

CVE-2026-112085 webpack-dev-server vulnerable to cross-origin WebSocket access via proxied upgrades

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...

CVE-2026-112085

The webpack-dev-server development server is vulnerable to cross-origin WebSocket access in versions before 5.2.7 and in version 6.0.0 . The root cause is that the server forwards non-HMR WebSocket upgrade requests to a proxy target without validating Host or Origin headers, bypassing allowedHost...

CVE-2026-112085 webpack-dev-server vulnerable to cross-origin WebSocket access via proxied upgrades

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...

EUVD-2026-108108

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...

CVE-2026-112085

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...

PT-2026-121333

webpack-dev-server is a development server that provides live reloading for webpack projects. In versions before 5.2.7 and in version 6.0.0, when a proxy entry is configured to forward WebSockets, the server forwards non-HMR WebSocket upgrade requests to the proxy target without validating the Ho...