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CVE-2026-75604criticalCode execution2026-09-08

CVE-2026-75604: Next.js: Unauthenticated Remote Code Execution on windows-hosted servers

A vulnerability in applications using Pages and App router without Cache Component can lead to remote code execution when the server is hosted on machines using a Windows filesystem.

01.

What it is

A vulnerability in applications using Pages and App router without Cache Component can lead to remote code execution when the server is hosted on machines using a Windows filesystem.

There is no known workaround for affected windows-hosted applications. You should upgrade immediately if your server is hosted on Windows.

02.

How to check

  1. Affected: next (npm) >= 13.4.0, < 15.5.24.
  2. Affected: next (npm) >= 16.0.0, < 16.3.3.
  3. Compare your installed version with the range above (command below).
03.

How to fix

  1. Upgrade next to 15.5.24 or later.
  2. Upgrade next to 16.3.3 or later.
npm ls next
04.

Sources

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