React Router: Unauthenticated Denial of Service via Inefficient Route Matching
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| remix-run | react-router | affected |
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| Vendor | Product | Versions | ||||||||
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| Remix-run | React-router |
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| Source | ID | Title |
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Github GHSA |
GHSA-chx6-hx7r-mcp5 | React Router: Unauthenticated Denial of Service via Inefficient Route Matching |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.708% probability within 30 days)
| Type | Values Removed | Values Added |
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| Weaknesses | CWE-770 | |
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| Metrics |
threat_severity
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cvssV3_1
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| First Time appeared |
Remix-run
Remix-run react-router |
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| Vendors & Products |
Remix-run
Remix-run react-router |
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| Description | 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 Router applications using Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>). This issue has been fixed in version 7.18.0. | |
| Title | React Router: Unauthenticated Denial of Service via Inefficient Route Matching | |
| Weaknesses | CWE-400 CWE-407 |
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| References |
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| Metrics |
cvssV4_0
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