cvedb.io
CVE-2025-49826
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2025-07-03T21:15:27.287 · Last modified 2026-06-17T09:31:57.767

Summary

Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8.

Affected products

vercel — next.js

Does this affect you?

Add your gear to cvedb and we'll alert you only when vercel ships something exploited.

Check my exposure →

References

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