react-router: React Router: Open Redirect vulnerability via backslashes in navigation components

A flaw was found in React Router, a routing library for React applications. A remote attacker could exploit this vulnerability by crafting a malicious link that uses backslashes within the or useNavigate components. This could lead to an Open Redirect, allowing the attacker to redirect users to...

react-router: React Router: Open Redirect vulnerability via backslashes in navigation components

A flaw was found in React Router, a routing library for React applications. A remote attacker could exploit this vulnerability by crafting a malicious link that uses backslashes within the or useNavigate components. This could lead to an Open Redirect, allowing the attacker to redirect users to...

CVE-2026-55685

A flaw was found in React Router. An unauthenticated attacker can send targeted requests to the manifest endpoint, leading to a denial of service DoS. This can put a heavy load on the server, significantly slowing down response times and impacting the availability of the application. Mitigation...

CVE-2026-53667

A flaw was found in React Router. The RSCErrorHandler component, used in applications leveraging unstable React Server Components RSC Application Programming Interfaces APIs, is missing crucial protocol validation. This vulnerability allows an attacker to redirect users to untrusted external...

CVE-2026-53668

A flaw was found in React Router. Applications using React Router that allow open redirects are vulnerable to Cross-Site Scripting XSS. A remote attacker could craft a malicious link that, when clicked by a user, redirects them to an unexpected external site or exploits an XSS vulnerability,...

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...

CVE-2026-53669

A flaw was found in React Router, a routing library for React applications. A remote attacker could exploit this vulnerability by crafting a malicious link that uses backslashes within the or useNavigate components. This could lead to an Open Redirect, allowing the attacker to redirect users to...

CVE-2026-55685

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

CVE-2026-53667

React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs...

CVE-2026-53668

React Router is a router for React. In versions 6.30.2 through 6.30.4 and 7.9.6 through 7.12.0, applications that allow open redirects are vulnerable to XSS. An attacker could craft a malicious link that redirects users to an unexpected external site or that exploits an XSS vector.This issue has...

CVE-2026-53669

React Router is a router for React. Versions 6.0.0 through 7.17.0 are vulnerable to Open Redirtect through use of backslashes in and useNavigate. This issue is a follow up to CVE-2025-68470 and has been fixed in version 7.18.0...

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...

CVE-2026-53669 React Router: Open redirect via backslash in <Link> and useNavigate (CVE-2025-68470 bypass)

React Router is a router for React. Versions 6.0.0 through 7.17.0 are vulnerable to Open Redirtect through use of backslashes in and useNavigate. This issue is a follow up to CVE-2025-68470 and has been fixed in version 7.18.0...

CVE-2026-53669 React Router: Open redirect via backslash in <Link> and useNavigate (CVE-2025-68470 bypass)

React Router is a router for React. Versions 6.0.0 through 7.17.0 are vulnerable to Open Redirtect through use of backslashes in and useNavigate. This issue is a follow up to CVE-2025-68470 and has been fixed in version 7.18.0...

CVE-2026-53669

CVE-2026-53669 (React Router) affects React Router versions 6.0.0 through 7.17.0. The vulnerability is an Open Redirect caused by using backslashes in and useNavigate, permitting unexpected external navigations. This is a follow-up to CVE-2025-68470. The issue is fixed in version 7.18.0. If expl...

CVE-2026-53669

React Router is a router for React. Versions 6.0.0 through 7.17.0 are vulnerable to Open Redirtect through use of backslashes in and useNavigate. This issue is a follow up to CVE-2025-68470 and has been fixed in version 7.18.0...

CVE-2026-55685 React Router: Unauthenticated Denial of Service via Inefficient Route Matching

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

EUVD-2026-49634

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

CVE-2026-55685 React Router: Unauthenticated Denial of Service via Inefficient Route Matching

React Router is a router for React. In versions 7.0.0 through 7.17.0, the manifest endpoint could be accessed via unauthenticated targeted requests that would put heavy load on the server and slow down response times. This issue is a follow up to CVE-2026-42342, and does not does not impact React...

CVE-2026-55685

React Router CVE-2026-55685 affects versions 7.0.0–7.17.0, where the manifest endpoint could be accessed by unauthenticated targeted requests, causing heavy load and slower responses. The issue does not impact Declarative Mode or Data Mode applications and has been fixed in version 7.18.0. If exp...