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CVE-2026-64642

Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
vercel / next.jsaffected >= 16.0.0, < 16.2.11

CWE

CWE-285

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.