PT-2026-63557
CVE-2026-64642
·
Published
2026-07-22
·
Updated
2026-10-28
Description by
CVSS 4.0
8.3
HighMetricsAV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions
Next.js versions 16.0.0 through 16.2.10
Description
Applications using App Router built with Turbopack and a single entry in
config.i18n.locales are susceptible to authentication bypass. Specifically, crafted requests can circumvent middleware or proxy-based authentication mechanisms.Recommendations
Update to version 16.2.11.
Enforce authorization in the page's server-side data path instead of relying solely on middleware.
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