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VULNERABILITIES

CVE-2026-64642 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/vercel/next.js/commit/6bf4df14508ad6c0cd46af50c6051ee42f2d9151 [email protected]Patch
https://github.com/vercel/next.js/pull/96014 [email protected]Issue TrackingPatch
https://github.com/vercel/next.js/releases/tag/v16.2.11 [email protected]ProductRelease Notes
https://github.com/vercel/next.js/security/advisories/GHSA-6gpp-xcg3-4w24 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-285Improper Authorization[email protected]

Affected Products

ProductVersions
vercel next.js
>= 16.0.0, < 16.2.11

CPE

  • cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-64642
NVD Published Date:
Jul 27, 2026
NVD Last Modified:
Jul 29, 2026
Source:
[email protected]
CVE-2026-64642 Details - Not Deferred