Next.JS vulnerability can lead to DoS via cache poisoning
### 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](https://vercel.com/changelog/cve-2025-49826) ## Credits - Allam Rachid [zhero;](https://zhero-web-sec.github.io/research-and-things/) - Allam Yasser (inzo)
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2025-49826US | — | — | ||
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) c… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/vercel/next.jsPACKAGE
- https://github.com/vercel/next.js/commit/16bfce64ef2157f2c1dfedcfdb7771bc63103fd2WEB
- https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93WEB
- https://github.com/vercel/next.js/releases/tag/v15.1.8WEB
- https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7rWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-49826ADVISORY
- https://vercel.com/changelog/cve-2025-49826WEB
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