UpHeron
All vulnerabilities

npm

CVE-2025-29927

Authorization Bypass in Next.js Middleware

Severity
Critical 9.1
Published
21 Mar 2025
Last changed
10 Sept 2026
Added to UpHeron
14 Oct 2026
Fixed in
12.3.5, 13.5.9, 14.2.25, 15.2.3
Also known as
GHSA-f82v-jwr5-mffw
Sources
OSV.dev and GitHub

Affected software

SoftwareAffected versions
Next.jsnpm · osv:npm:next
  • From 12.0.0 before 12.3.5
  • From 13.0.0 before 13.5.9
  • From 14.0.0 before 14.2.25
  • From 15.0.0 before 15.2.3

References