# TanStack React-Router vulnerabilities

Source: https://junglewise.ai/threats/technologies/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/react-router.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 12 vulnerabilities in TanStack React-Router: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 1 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: 12 (1 critical, 1 exploited in the wild)

## About TanStack React-Router

React routing library for client-side and server-side navigation in applications.

## Latest TanStack 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-2026-53668: React Router XSS via open redirect in useNavigate](https://junglewise.ai/threats/cve-2026-53668-react-router-xss-via-open-redirect-in-usenavigate) (medium, CVSS 6.9, 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-2026-53663: Remix React Router CSRF bypass on PUT, PATCH, and DELETE requests](https://junglewise.ai/threats/cve-2026-53663-remix-react-router-csrf-bypass-on-put-patch-and-delete-requests) (low, CVSS 3.1, published 22 Jun 2026)
- [CVE-2026-42342: Remix React Router DoS via unbounded path expansion in __manifest](https://junglewise.ai/threats/cve-2026-42342-remix-react-router-dos-via-unbounded-path-expansion-in-manifest) (high, CVSS 7.5, published 2 Jun 2026)
- [CVE-2026-40181: Remix React Router open redirect in redirect function](https://junglewise.ai/threats/cve-2026-40181-remix-react-router-open-redirect-in-redirect-function) (medium, CVSS 4, 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-2026-45321: TanStack npm packages supply chain compromise via GitHub Actions OIDC hijacking](https://junglewise.ai/threats/cve-2026-45321-tanstack-npm-packages-supply-chain-compromise-via-github-actions) (critical, exploited in the wild, CVSS 9.6, published 12 May 2026)
- [CVE-2026-22030: React Router CSRF in Action and Server Action Request Processing](https://junglewise.ai/threats/cve-2026-22030-react-router-csrf-in-action-and-server-action-request-processing) (medium, CVSS 6.5, published 8 Jan 2026)
- [CVE-2025-31137: Remix and React Router URL manipulation via Host headers](https://junglewise.ai/threats/cve-2025-31137-remix-and-react-router-url-manipulation-via-host-headers) (low, CVSS 3, published 1 Apr 2025)

## Most severe TanStack React-Router vulnerabilities

- [CVE-2026-45321: TanStack npm packages supply chain compromise via GitHub Actions OIDC hijacking](https://junglewise.ai/threats/cve-2026-45321-tanstack-npm-packages-supply-chain-compromise-via-github-actions) (critical, exploited in the wild, CVSS 9.6, published 12 May 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-2026-42342: Remix React Router DoS via unbounded path expansion in __manifest](https://junglewise.ai/threats/cve-2026-42342-remix-react-router-dos-via-unbounded-path-expansion-in-manifest) (high, CVSS 7.5, 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-2026-53668: React Router XSS via open redirect in useNavigate](https://junglewise.ai/threats/cve-2026-53668-react-router-xss-via-open-redirect-in-usenavigate) (medium, CVSS 6.9, published 27 Jul 2026)
- [CVE-2026-22030: React Router CSRF in Action and Server Action Request Processing](https://junglewise.ai/threats/cve-2026-22030-react-router-csrf-in-action-and-server-action-request-processing) (medium, CVSS 6.5, published 8 Jan 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)
- [CVE-2026-40181: Remix React Router open redirect in redirect function](https://junglewise.ai/threats/cve-2026-40181-remix-react-router-open-redirect-in-redirect-function) (medium, CVSS 4, published 2 Jun 2026)

## 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, "TanStack React-Router vulnerabilities", https://junglewise.ai/threats/technologies/react-router, 9 November 2026.