Next.js: Server-Side Request Forgery in Server Actions on custom servers

Date Jul 22, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product npm · next

CVE CVE-2026-64649

High-risk advisory CVE-2026-64649

Summary

Next.js: Server-Side Request Forgery in Server Actions on custom servers

Why it matters

GitHub has published a reviewed security advisory for next. Prioritize it with other application dependency updates.

Operator check

Check whether next is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.3.

Sources

GitHub Advisory GHSA-89xv-2m56-2m9x NVD — CVE-2026-64649 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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