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 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...

EUVD-2026-49633

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-2026-53668 React Router: Open redirect can lead to XSS

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-2026-53668

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-2026-53668

CVE-2026-53668 affects React Router in versions 6.30.2–6.30.4 and 7.9.6–7.12.0, where open redirects can be abused to trigger XSS via malicious links or redirects to external sites. The issue is addressed in version 7.13.0. Affected users should upgrade to 7.13.0+ (or apply vendor-provided fixes)...

CVE-2026-53668 React Router: Open redirect can lead to XSS

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...

EUVD-2026-49629

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-2026-53667

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-2026-53667 React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Validation (Incomplete fix for 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-2026-53667

CVE-2026-53667 affects React Router (versions 7.11.0–7.17.0) where the RSCErrorHandler failed to validate protocol, enabling possible cross-site scripting via redirects from untrusted sources when using the unstable RSC APIs. The issue stems from missing protocol validation in the RSCErrorHandler...

CVE-2026-53667 React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Validation (Incomplete fix for 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...

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...