CVE-2025-59057-PoC

React Router의 Framework Mode에서 meta/ API를 사용하여 script:ld+json 태그를 생성할 때 XSS 취약점이 존재합니다. 이 취약점은 신뢰할 수 없는 콘텐츠를 사용하여 태그를 생성할 경우 SSR 중 임의의 JavaScript 실행을 허용할 수 있습니다...

Pre-render-data-spoofing-on-React-Router-framework-mode-CVE-2025-43865

React Router에 오신 것을 환영합니다! React Router를 사용하여 풀스택 React 애플리케이션을 구축하기 위한 현대적이고 프로덕션 준비가 된 템플릿입니다. 기능 🚀 서버 사이드 렌더링 ⚡️ 핫 모듈 리플레이스먼트 HMR 📦 에셋 번들링 및 최적화 🔄 데이터 로딩 및 변형 🔒 기본값으로 TypeScript 🎉 스타일링을 위한 TailwindCSS 📖 React Router 문서 시작하기 설치 의존성을 설치합니다: root@kitploit: npm install 개발 HMR과 함께 개발 서버를 시작합니다:...

Linux Distros Unpatched Vulnerability : CVE-2026-42211

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - React Router is a router for React. In versions 7.0.0 through 7.14.1, when using Framework Mode, a combination of steps could potentially allow unauthorized...

CVE-2026-53666

A flaw was found in React Router. If an application is configured to allow attacker-supplied input to modify errors during server-side rendering SSR, a remote attacker could trigger unexpected code execution on the client. This execution could lead to an outbound network request, potentially...

Linux Distros Unpatched Vulnerability : CVE-2026-53666

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite...

CVE-2026-53666

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

EUVD-2026-49628

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

CVE-2026-53666 React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

CVE-2026-53666

CVE-2026-53666 affects React Router versions 6.4.0 through 7.17.0 where attacker-supplied input could overwrite parts of errors captured during SSR, enabling arbitrary constructor execution on the client and triggering outbound network requests. This requires specific, unlikely application-layer ...

CVE-2026-53666 React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

CVE-2026-53666

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

React Router: Unauthenticated Denial of Service via Inefficient Route Matching

This is a follow up to https://github.com/remix-run/react-router/security/advisories/GHSA-8x6r-g9mw-2r78 that covers additional reported scenarios in which the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through inefficient route matching in the manifest endpoint. An attacker can cause excessive server load and degrade response times by sending unauthenticated targeted requests. Note: This is only...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through inefficient route matching in the manifest endpoint. An attacker can cause excessive server load and degrade response times by sending unauthenticated targeted requests. Note: This is only...

GHSA-CHX6-HX7R-MCP5 React Router: Unauthenticated Denial of Service via Inefficient Route Matching

This is a follow up to https://github.com/remix-run/react-router/security/advisories/GHSA-8x6r-g9mw-2r78 that covers additional reported scenarios in which the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response...

GHSA-337J-9HXR-RHXG React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

If application code allows attacker supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for attacker to trigger unexpected constructor execution on the client which would trigger outbound network traffic. This is only possible with very specific a...

React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

If application code allows attacker supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for attacker to trigger unexpected constructor execution on the client which would trigger outbound network traffic. This is only possible with very specific a...

PT-2026-64212

Name of the Vulnerable Software and Affected Versions React Router versions 6.4.0 through 7.17.0 Description In Framework Mode and Data Mode applications performing manual SSR Server-Side Rendering, a flaw exists where attacker-supplied input can overwrite specific aspects of errors caught during...

react-router: React Router: Remote Code Execution via prototype pollution in Framework Mode

A flaw was found in React Router when operating in Framework Mode. A remote attacker could exploit an existing prototype pollution vulnerability within the application code. This could lead to unauthorized remote code execution RCE on the server through a two-step attack involving external...

CVE-2026-42211

A flaw was found in React Router when operating in Framework Mode. A remote attacker could exploit an existing prototype pollution vulnerability within the application code. This could lead to unauthorized remote code execution RCE on the server through a two-step attack involving external...