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chore(deps): update dependency next to v16.4.1 [security] - #521

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Nov 8, 2026
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renovate/npm-next-vulnerability

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This PR contains the following updates:

Package Change Age Confidence
next (source) 16.4.0 → 16.4.1 age confidence

Next.js: Unauthenticated Remote Code Execution in Image Optimization API when SVG files are used

GHSA-2464-fhr4-w9xw

More information

Details

Impact

A memory-related vulnerability has been discovered in an upstream library used for Image Optimization can lead to possible remote code execution (RCE) when Next.js runs on glibc-based Linux.

Workaround

Ensure the version of sharp used by Next.js is greater than or equal to 0.35.5. Fresh installs automatically get a fixed version of sharp.
Upgrading Next.js to the patched versions will ensure package managers automatically provide a fixed version of sharp to Next.js.

Severity

  • CVSS Score: 9.5 / 10 (Critical)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Next.js: Denial of Service in App Router using Server Actions

CVE-2026-94482 / GHSA-p3m5-59mp-jv5r

More information

Details

Impact

Crafted requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive CPU usage blocking processing of further requests in the same process.

Workarounds

No workaround exists besides upgrading. Applications using Pages Router or not using Server Actions are not vulnerable.

Severity

  • CVSS Score: 8.2 / 10 (High)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


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

GHSA-673q-mjm6-r5xr

More information

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.

Severity

  • CVSS Score: 9.5 / 10 (Critical)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

vercel/next.js (next)

v16.4.1

Compare Source

This release contains security fixes for the following advisories:

Critical:

High:


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This PR was generated by Mend Renovate. View the repository job log.

@renovate
renovate Bot enabled auto-merge (squash) November 8, 2026 10:47
@renovate
renovate Bot merged commit 3d4f566 into main Nov 8, 2026
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@renovate
renovate Bot deleted the renovate/npm-next-vulnerability branch November 8, 2026 10:50
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