GHSA-4c39-4ccg-62r3Medium

Next.js: Unbounded Server Action payload in Edge runtime

Published
July 22, 2026
Last Modified
July 22, 2026

🔗 CVE IDs covered (1)

📋 Description

Impact

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

Workarounds

If you cannot upgrade, ensure your hosting provider limits the request's body size. 5 MiB should be allowed at max by your hosting provider.

🎯 Affected products2

  • npm/next:>= 13.0.0, < 15.5.21
  • npm/next:>= 16.0.0, < 16.2.11

🔗 References (6)