GHSA-673q-mjm6-r5xr

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

Published

2026-10-22

Modified

2026-10-22

Sources

github-advisory

Summary

## 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.

Affected packages

Remediation: Upgrade to 16.4.1 or later.

References

• https://github.com/advisories/GHSA-673q-mjm6-r5xr