Next.js: Unbounded Server Action payload in Edge runtime
## 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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-64646US | medium5.3 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/vercel/next.jsPACKAGE
- https://github.com/vercel/next.js/commit/57c31f724d746e86a9e8b92aa8be538a922446a4WEB
- https://github.com/vercel/next.js/commit/9a4651e754f70b12e397694ffc41f44c3ba8cc17WEB
- https://github.com/vercel/next.js/releases/tag/v15.5.21WEB
- https://github.com/vercel/next.js/releases/tag/v16.2.11WEB
- https://github.com/vercel/next.js/security/advisories/GHSA-4c39-4ccg-62r3WEB
scry
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