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Next.js Improper Authorization Vulnerability - CVE-2026-64642 - Vulnerability Database
Next.js

Next.js Improper Authorization Vulnerability - CVE-2026-64642

High
Reference: CVE-2026-64642
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-64642
Title: Next.js Improper Authorization Vulnerability
Overview:

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.