CVE-2026-64646
1 advisory.
npm/next CVE-2026-64646: medium, EPSS 0.52%
Next.js: Unbounded Server Action payload in Edge runtime
Action: Upgrade next to 15.5.21 or later.
npm i next@15.5.21npm i next@16.2.11Affected
| introduced | fixed | last affected |
|---|---|---|
| 13.0.0 | 15.5.21 | - |
| 16.0.0 | 16.2.11 | - |
Fixed versions
| 15.5.21 | 16.2.11 |
Sources
- osv: GHSA-4c39-4ccg-62r3
- https://github.com/vercel/next.js/security/advisories/GHSA-4c39-4ccg-62r3
- https://github.com/vercel/next.js/commit/57c31f724d746e86a9e8b92aa8be538a922446a4
- https://github.com/vercel/next.js/commit/9a4651e754f70b12e397694ffc41f44c3ba8cc17
- https://github.com/vercel/next.js
- https://github.com/vercel/next.js/releases/tag/v15.5.21
- https://github.com/vercel/next.js/releases/tag/v16.2.11
CVE-2026-64646 · published · modified · JSON