PT-2026-64404 · Unknown · React Router
CVE-2026-55685
·
Published
2026-06-03
·
Updated
2026-08-11
CVSS v4.0
8.7
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
React Router versions 7.0.0 through 7.17.0
Description
In Framework Mode applications, the manifest endpoint can be accessed through unauthenticated targeted requests. This can result in heavy server load and increased response times. This issue does not affect applications utilizing Declarative Mode (
<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>).Recommendations
Update to version 7.18.0.
Exploit
Fix
Resource Exhaustion
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Related Identifiers
Affected Products
React Router