cvedb.io
CVE-2025-32421
LOW · CVSS 3.7
EPSS exploitation probability: 0%
Published 2025-05-14T23:15:47.870 · Last modified 2026-06-17T09:11:58.080

Summary

Next.js is a React framework for building full-stack web applications. Versions prior to 14.2.24 and 15.1.6 have a race-condition vulnerability. This issue only affects the Pages Router under certain misconfigurations, causing normal endpoints to serve `pageProps` data instead of standard HTML. This issue was patched in versions 15.1.6 and 14.2.24 by stripping the `x-now-route-matches` header from incoming requests. Applications hosted on Vercel's platform are not affected by this issue, as the platform does not cache responses based solely on `200 OK` status without explicit `cache-control` headers. Those who self-host Next.js deployments and are unable to upgrade immediately can mitigate this vulnerability by stripping the `x-now-route-matches` header from all incoming requests at the co

Affected products

vercel — next.js

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.