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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-4c39-4ccg-62r3 | Next.js: Unbounded Server Action payload in Edge runtime |
References
History
Tue, 28 Jul 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Vercel
Vercel next.js |
|
| Vendors & Products |
Vercel
Vercel next.js |
Mon, 27 Jul 2026 23:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 27 Jul 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Next.js: Unbounded Server Action payload in Edge runtime | |
| Weaknesses | CWE-770 | |
| References |
|
|
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-07-27T20:22:18.086Z
Reserved: 2026-07-20T17:11:30.895Z
Link: CVE-2026-64646
Updated: 2026-07-27T20:22:14.094Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-28T00:45:02Z
Weaknesses
-
CWE-770
Allocation of Resources Without Limits or Throttling
Github GHSA