CVE CVE-2026-64646

CVE-2026-64646

Next.jsReact

Severity: —
CVSS: —CVSS
Published: 2026-07-27
Last modified: 2026-07-27
CWE: CWE-770

Description

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the Edge runtime. This issue has been fixed in versions 15.5.21 and 16.2.11.

References

https://github.com/vercel/next.js/commit/57c31f724d746e86a9e8b92aa8be538a922446a4
https://github.com/vercel/next.js/commit/9a4651e754f70b12e397694ffc41f44c3ba8cc17
https://github.com/vercel/next.js/releases/tag/v15.5.21
https://github.com/vercel/next.js/releases/tag/v16.2.11
https://github.com/vercel/next.js/security/advisories/GHSA-4c39-4ccg-62r3

Summary

Description

References