Is next 16.4 vulnerable?

npm · 4 releases from 16.4.0 to 16.4.3 · latest next is 16.4.3 · checked 1 Nov 2026

No known advisories in the last release

next 16.4.3, the last 16.4 release, has no known advisories. 3 advisories affect earlier 16.4.x releases, so update to 16.4.3.

Update within 16.4:npm install next@16.4.3

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Fixed within 16.4.x, affecting earlier releases

  • CriticalGHSA-673q-mjm6-r5xr22 Oct 2026

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

    Affected
    >=16.0.0 <16.4.1
    Fixed in
    16.4.1
  • CriticalGHSA-2464-fhr4-w9xw22 Oct 2026

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

    Affected
    >=10.0.0 <15.5.28 · >=16.0.0 <16.4.1
    Fixed in
    15.5.28, 16.4.1
  • HighCVE-2026-94482GHSA-p3m5-59mp-jv5r22 Oct 2026

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

    Affected
    >=13.0.0 <15.5.28 · >=16.0.0 <16.4.1
    Fixed in
    15.5.28, 16.4.1

Which of your client projects are still on next 16.4?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact next version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

Other next versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the npm registry. Refreshed daily.