Categories
CVE-2025-43864

React Router allows a DoS via cache poisoning by forcing SPA mode

Summary

React Router allows a DoS via cache poisoning by forcing SPA mode

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

References

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