Vercel Next.js up to 16.3.7 useCache access control

Summaryinfo

A vulnerability labeled as problematic has been found in Vercel Next.js up to 16.3.7. Affected by this issue is some unknown functionality of the component useCache. Such manipulation leads to access control. This vulnerability is referenced as CVE-2026-94544. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Vercel Next.js up to 16.3.7 and classified as problematic. Affected by this issue is an unknown part of the component useCache. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. CVE summarizes:

Next.js is a React framework for building full-stack web applications. From 16.3.0 until 16.3.8, pending use cache fills for the same key are shared without separating Draft Mode requests from regular requests. An overlapping regular request can receive unauthenticated unpublished content from an editor's Draft Mode fill, while an overlapping Draft Mode request can receive published content from a regular fill. When the regular request prerenders a page, the draft-dependent content can persist in the generated page and be served to later visitors until revalidation. Sites are affected when Cache Components or experimental.useCache is enabled and cached functions return draft-dependent content. This issue is fixed in version 16.3.8.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-94544 since 09/21/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 16.3.8 eliminates this vulnerability.

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Productinfo

Type

• JavaScript Library

Vendor

• Vercel

Name

• Next.js

Version

• 16.3.0
• 16.3.1
• 16.3.2
• 16.3.3
• 16.3.4
• 16.3.5
• 16.3.6
• 16.3.7

Website

• Product: https://github.com/vercel/next.js/

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