En resumen
- CVE-2025-49826 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a next.js (vercel), next.
- Probabilidad de explotación en los próximos 30 días (EPSS): 1.1%, mayor que el 66.5% de las vulnerabilidades.
- Solución: actualizar a 15.1.8 o posterior.
| Package | Affected versions | Patched versions |
|---|
| next.js | = 15.0.4> 15.0.4, < 15.1.8
| 15.1.8
|
| next npm | ≥ 15.0.4-canary.51, < 15.1.8
| 15.1.8
|
Description
Summary
A vulnerability affecting Next.js has been addressed. It impacted versions 15.0.4 through 15.1.8 and involved a cache poisoning bug leading to a Denial of Service (DoS) condition.
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
More details: CVE-2025-49826
Credits
- Allam Rachid zhero;
- Allam Yasser (inzo)
NVD description
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.
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