UpHeron
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npm

CVE-2026-64649

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

Severity
High
Published
22 Jul 2026
Last changed
10 Sept 2026
Added to UpHeron
14 Oct 2026
Fixed in
15.5.21, 16.2.11
Also known as
GHSA-89xv-2m56-2m9x
Sources
OSV.dev and GitHub

Affected software

SoftwareAffected versions
Next.jsnpm · osv:npm:next
  • From 14.1.1 before 15.5.21
  • From 16.0.0 before 16.2.11

References