Is @clerk/nextjs 5.5 vulnerable?

npm · 6 releases from 5.5.0 to 5.5.5 · latest @clerk/nextjs is 7.9.23 · checked 1 Nov 2026

Yes: 1 known advisory

Yes. @clerk/nextjs 5.5.5, the last 5.5 release, is affected by 1 known security advisory (1 critical), including CVE-2026-41248. Upgrade to 5.7.6 or later to fix all of them.

Upgrade with:npm install @clerk/nextjs@5.7.6

Is your project affected?

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

Advisories affecting @clerk/nextjs 5.5.5

  • CriticalCVE-2026-41248GHSA-vqx2-fgx2-5wq916 Apr 2026

    Official Clerk JavaScript SDKs: Middleware-based route protection bypass

    Affected
    >=5.0.0 <5.7.6 · >=6.0.0-snapshot.vb87a27f <6.39.2 · >=7.0.0 <7.2.1
    Fixed in
    5.7.6, 6.39.2, 7.2.1

Which of your client projects are still on @clerk/nextjs 5.5?

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

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Other @clerk/nextjs 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.