Is guzzlehttp/guzzle 8.3 vulnerable?

Composer · 2 releases from 8.3.0 to 8.3.1 · latest guzzlehttp/guzzle is 8.3.1 · checked 1 Nov 2026

No known advisories in the last release

No. No guzzlehttp/guzzle 8.3.x release has a known security advisory.

Is your project affected?

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

Which of your client projects are still on guzzlehttp/guzzle 8.3?

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

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Other guzzlehttp/guzzle versions

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