Cloudanix VulnDB

CVE-2026-55685

High · 7.5

CVSS

7.5

EPSS

0.7%

Published

Jul 27, 2026

CISA due date

—

The record

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.

Affected packages

Ecosystem Package Introduced Fixed

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