onyx --cves cve-2026-64649
CVE-2026-64649
- score
- 0.1
- cvss
- 6.5
- epss
- 0.5%
- published
- 2026-07-27
- kev added
- —
- first seen
Next.js 14.1.1 through 15.5.20 and 16.0.0 through 16.2.10 contain a server-side request forgery caused by forwarding or redirecting requests with attacker-controlled Host headers in Server Actions, letting attackers send outbound requests to malicious hosts, exploit requires control over Host-associated headers and unpinned host configuration.
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/b51206321854193208c0805ba42acc49287f942b
- https://github.com/vercel/next.js/commit/e3e5666ccead3a15162793d697af5e48b7cc0498
- 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-89xv-2m56-2m9x