CVE-2026-55685: falha de alta gravidade em remix-run react-router
React Router: Unauthenticated Denial of Service via Inefficient Route Matching
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.7epss 0.7%
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Produtos afetados
remix-run · react-routerCVEs relacionadas — remix-run react-router
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Referências
https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180https://github.com/remix-run/react-router/commit/09e6020d1950e54f361f7ad00938ecd4dde60929https://github.com/remix-run/react-router/pull/15186https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0https://github.com/remix-run/react-router/security/advisories/GHSA-8x6r-g9mw-2r78https://github.com/remix-run/react-router/security/advisories/GHSA-chx6-hx7r-mcp5