Is webpack 5.104 vulnerable?

npm · 2 releases from 5.104.0 to 5.104.1 · latest webpack is 5.112.2 · checked 1 Nov 2026

No known advisories in the last release

webpack 5.104.1, the last 5.104 release, has no known advisories. 1 advisory affects earlier 5.104.x releases, so update to 5.104.1.

Update within 5.104:npm install webpack@5.104.1

Is your project affected?

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

Fixed within 5.104.x, affecting earlier releases

  • LowCVE-2025-68458GHSA-8fgc-7cc6-rx7x5 Feb 2026

    webpack buildHttp: allowedUris allow-list bypass via URL userinfo (@) leading to build-time SSRF behavior

    Affected
    >=5.49.0 <5.104.1
    Fixed in
    5.104.1

Which of your client projects are still on webpack 5.104?

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

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Other webpack 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.