CriticalGHSA-673q-mjm6-r5xr

Next.js: Unauthenticated Remote Code Execution in `use cache` functions returning typed arrays

Published 22 Oct 2026 · Updated 22 Oct 2026

Affected package

Affected: >=16.0.0 <16.4.1
Fixed in: 16.4.1

Update to the fixed version for your release line, for example:npm install next@16.4.1

Details

Impact

A vulnerability in applications using App router with Cache Component can lead to remote code execution. The application needs to have a use cache function that returns multiple typed arrays.

Workaround

There is no known workaround for affected applications with such use cache functions. You should upgrade immediately even if your application does not have similar functions.

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References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.