CVE-2026-53669 React Router: Open redirect via backslash in <Link> and useNavigate (CVE-2025-68470 bypass)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-53669?
CVE-2026-53669 is a medium-severity vulnerability in remix-run react-router, published on 27 Jul 2026.
Official description
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 <Link> and useNavigate. This issue is a follow up to CVE-2025-68470 and has been fixed in version 7.18.0.
Weakness: CWE-601
Which versions are affected by CVE-2026-53669?
2 open source packages ship an affected version, including react-router. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
react-router npm | From 6.0.0 | 7.18.0 |
react-router npm | From 6.0.0 | 7.18.0 |
Linux distribution packages (2)
prometheus3.13 Red Hat:hummingbird:1 | All versions | 0:3.13.1-0.5.hum1 |
prometheus3.5 Red Hat:hummingbird:1 | All versions | 0:3.5.5-0.6.hum1 |
Products include Shopify React-Router.
How do I fix CVE-2026-53669?
Upgrade react-router to 7.18.0 or later.
Is CVE-2026-53669 being exploited?
There is no known exploitation of CVE-2026-53669 in the wild and no public exploit code.
Other vulnerabilities in remix-run react-router
- CVE-2026-55685 React Router: Unauthenticated Denial of Service via Inefficient Route Matching
- CVE-2026-21884 React Router SSR XSS in ScrollRestoration
- CVE-2026-42211 React Router's vendored turbo-stream v2 allows arbitrary constructor invocation via TYPE_ERROR deserialization leading to Unauth RCE
- CVE-2026-33245 React Router vulnerable to XSS in unstable RSC redirect handling via javascript: redirect targets
- CVE-2026-22029 React Router vulnerable to XSS via Open Redirects
Sources
Also known as CLSA-2026-1788955035, CLSA-2026-1790161471, CLSA-2026-1792253401, CLSA-2026-1792253406, CLSA-2026-1792269433, CLSA-2026-1792269435 and 5 more.