CVE-2025-43864

Description

React Router is a router for React. Starting in version 7.2.0 and prior to version 7.5.2, it is possible to force an application to switch to SPA mode by adding a header to the request. If the application uses SSR and is forced to switch to SPA, this causes an error that completely corrupts the page. If a cache system is in place, this allows the response containing the error to be cached, resulting in a cache poisoning that strongly impacts the availability of the application. This issue has been patched in version 7.5.2.

Reserved 2025-04-17 | Published 2025-04-25 | Updated 2025-04-25 | Assigner GitHub_M

Problem types

CWE-755: Improper Handling of Exceptional Conditions

Product status

>= 7.2.0, < 7.5.2
affected

References

github.com/...router/security/advisories/GHSA-f46r-rw29-r322

github.com/...ommit/c84302972a152d851cf5dd859ff332b354b70111

github.com/...ages/react-router/lib/server-runtime/server.ts

cve.org (CVE-2025-43864)

nvd.nist.gov (CVE-2025-43864)

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