GitHub Advisoryadvisory · npm
GHSA-67rr-84xm-4c7r Next.JS vulnerability can lead to DoS via cache poisoning
HIGH
Official page ↗
- Aliases
- CVE-2025-49826
- Ecosystem
- npm
- Packages
- next
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-444
- Reviewed
- 2025-07-03
Affected packages
• npm next: >= 15.0.4-canary.51, < 15.1.8 → fixed in 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)
Related
Alias · CVE (1)
- CVE-2025-49826 Next.js is a React framework for building full-stack web applications. vulnerability
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness
References
- https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r web
- https://nvd.nist.gov/vuln/detail/CVE-2025-49826 advisory
- https://github.com/vercel/next.js/commit/16bfce64ef2157f2c1dfedcfdb7771bc63103fd2 web
- https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93 web
- https://github.com/vercel/next.js package
- https://github.com/vercel/next.js/releases/tag/v15.1.8 web
- https://vercel.com/changelog/cve-2025-49826 web