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npm

CVE-2026-44581

Next.js vulnerable to cross-site scripting in App Router applications using CSP nonces

Severity
Medium 4.7
Published
11 May 2026
Last changed
10 Sept 2026
Added to UpHeron
14 Oct 2026
Fixed in
15.5.16, 16.2.5
Also known as
GHSA-ffhc-5mcf-pf4q
Sources
OSV.dev and GitHub

Affected software

SoftwareAffected versions
Next.jsnpm · osv:npm:next
  • From 13.4.0 before 15.5.16
  • From 16.0.0 before 16.2.5

References