CVE-2026-55685

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.

CVSS

No CVSS.

References

Link	Resource
https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180
https://github.com/remix-run/react-router/commit/09e6020d1950e54f361f7ad00938ecd4dde60929
https://github.com/remix-run/react-router/pull/15186
https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0
https://github.com/remix-run/react-router/security/advisories/GHSA-8x6r-g9mw-2r78
https://github.com/remix-run/react-router/security/advisories/GHSA-chx6-hx7r-mcp5

Configurations

No configuration.

History

27 Jul 2026, 22:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-27 22:17

Updated : 2026-07-28 16:11

NVD link : CVE-2026-55685

Mitre link : CVE-2026-55685

CVE.ORG link : CVE-2026-55685

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-407

Inefficient Algorithmic Complexity

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