CVE-2026-64642

Summary

Next.js is a React framework for building full-stack web applications. In versions 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using App Router built with Turbopack and a single entry in config.i18n.locales can bypass middleware/proxy based authentication. This issue has been fixed in version 16.2.11.

Affected Software

VendorProductVersion RangeStatus
vercelnext.js>= 16.0.0, < 16.2.11affected

Weaknesses

  • CWE-285: CWE-285: Improper Authorization

References