# React-Router vulnerabilities

Source: https://junglewise.ai/threats/technologies/npm-react-router  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/npm-react-router.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 11 vulnerabilities in React-Router: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55685, was published on 27 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 11 (0 critical, 0 exploited in the wild)

## About React-Router

React library providing declarative routing components for single-page applications.

## Latest React-Router vulnerabilities

- [CVE-2026-55685: remix-run react-router resource consumption in manifest endpoint](https://junglewise.ai/threats/cve-2026-55685-remix-run-react-router-resource-consumption-in-manifest-endpoint) (high, CVSS 4, published 27 Jul 2026)
- [CVE-2026-53669: Remix React Router open redirect in Link and useNavigate](https://junglewise.ai/threats/cve-2026-53669-remix-react-router-open-redirect-in-link-and-usenavigate) (medium, CVSS 4, published 27 Jul 2026)
- [CVE-2026-53667: remix-run React Router improper protocol validation in RSCErrorHandler](https://junglewise.ai/threats/cve-2026-53667-remix-run-react-router-improper-protocol-validation-in) (medium, CVSS 6.9, published 27 Jul 2026)
- [CVE-2026-53666: remix-run React Router unsafe reflection in SSR hydration](https://junglewise.ai/threats/cve-2026-53666-remix-run-react-router-unsafe-reflection-in-ssr-hydration) (medium, CVSS 6.1, published 27 Jul 2026)
- [React Router CSRF bypass in RSC mode](https://junglewise.ai/threats/react-router-csrf-bypass-in-rsc-mode-0018662d) (medium, CVSS 4, published 24 Jul 2026)
- [CVE-2026-42211: React Router remote code execution in Framework Mode](https://junglewise.ai/threats/cve-2026-42211-react-router-remote-code-execution-in-framework-mode) (high, CVSS 8.1, published 2 Jun 2026)
- [CVE-2026-33245: React Router XSS in unstable RSC redirect handling](https://junglewise.ai/threats/cve-2026-33245-react-router-xss-in-unstable-rsc-redirect-handling) (high, CVSS 8, published 2 Jun 2026)
- [CVE-2026-33244: React Router XSS in Framework Mode pre-rendering](https://junglewise.ai/threats/cve-2026-33244-react-router-xss-in-framework-mode-pre-rendering) (medium, CVSS 5.4, published 2 Jun 2026)
- [CVE-2025-68470: React Router unexpected external redirect via untrusted paths](https://junglewise.ai/threats/cve-2025-68470-react-router-unexpected-external-redirect-via-untrusted-paths) (low, CVSS 3.1, published 8 Jan 2026)
- [CVE-2025-43865: React Router pre-render data spoofing in framework mode](https://junglewise.ai/threats/cve-2025-43865-react-router-pre-render-data-spoofing-in-framework-mode) (low, CVSS 3.1, published 24 Apr 2025)
- [CVE-2025-43864: React Router DoS via cache poisoning by forcing SPA mode](https://junglewise.ai/threats/cve-2025-43864-react-router-dos-via-cache-poisoning-by-forcing-spa-mode) (low, CVSS 3.1, published 24 Apr 2025)

## Most severe React-Router vulnerabilities

- [CVE-2026-42211: React Router remote code execution in Framework Mode](https://junglewise.ai/threats/cve-2026-42211-react-router-remote-code-execution-in-framework-mode) (high, CVSS 8.1, published 2 Jun 2026)
- [CVE-2026-33245: React Router XSS in unstable RSC redirect handling](https://junglewise.ai/threats/cve-2026-33245-react-router-xss-in-unstable-rsc-redirect-handling) (high, CVSS 8, published 2 Jun 2026)
- [CVE-2026-55685: remix-run react-router resource consumption in manifest endpoint](https://junglewise.ai/threats/cve-2026-55685-remix-run-react-router-resource-consumption-in-manifest-endpoint) (high, CVSS 4, published 27 Jul 2026)
- [CVE-2026-53667: remix-run React Router improper protocol validation in RSCErrorHandler](https://junglewise.ai/threats/cve-2026-53667-remix-run-react-router-improper-protocol-validation-in) (medium, CVSS 6.9, published 27 Jul 2026)
- [CVE-2026-53666: remix-run React Router unsafe reflection in SSR hydration](https://junglewise.ai/threats/cve-2026-53666-remix-run-react-router-unsafe-reflection-in-ssr-hydration) (medium, CVSS 6.1, published 27 Jul 2026)
- [CVE-2026-33244: React Router XSS in Framework Mode pre-rendering](https://junglewise.ai/threats/cve-2026-33244-react-router-xss-in-framework-mode-pre-rendering) (medium, CVSS 5.4, published 2 Jun 2026)
- [CVE-2026-53669: Remix React Router open redirect in Link and useNavigate](https://junglewise.ai/threats/cve-2026-53669-remix-react-router-open-redirect-in-link-and-usenavigate) (medium, CVSS 4, published 27 Jul 2026)
- [React Router CSRF bypass in RSC mode](https://junglewise.ai/threats/react-router-csrf-bypass-in-rsc-mode-0018662d) (medium, CVSS 4, published 24 Jul 2026)
- [CVE-2025-43864: React Router DoS via cache poisoning by forcing SPA mode](https://junglewise.ai/threats/cve-2025-43864-react-router-dos-via-cache-poisoning-by-forcing-spa-mode) (low, CVSS 3.1, published 24 Apr 2025)
- [CVE-2025-43865: React Router pre-render data spoofing in framework mode](https://junglewise.ai/threats/cve-2025-43865-react-router-pre-render-data-spoofing-in-framework-mode) (low, CVSS 3.1, published 24 Apr 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "React-Router vulnerabilities", https://junglewise.ai/threats/technologies/npm-react-router, 9 November 2026.