onyx --cves cve-2026-64646
CVE-2026-64646
- score
- 0.1
- cvss
- 5.3
- epss
- 0.5%
- published
- 2026-07-27
- kev added
- —
- first seen
Next.js 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10 contain a denial of service caused by excessive memory consumption in Server Actions using the Edge runtime, letting attackers cause service disruption, exploit requires use of App Router with Server Actions.
Timeline
How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.
- Published
- Tracked by Onyx
Weaknesses
References 5
- 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