Is lcobucci/jwt 4.0 vulnerable?

Composer · 5 releases from 4.0.0 to 4.0.4 · latest lcobucci/jwt is 5.6.1 · checked 2 Nov 2026

No known advisories in the last release

lcobucci/jwt 4.0.4, the last 4.0 release, has no known advisories. 1 advisory affects earlier 4.0.x releases, so update to 4.0.4.

Update within 4.0:composer require lcobucci/jwt:^4.0.4

Is your project affected?

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Fixed within 4.0.x, affecting earlier releases

  • MediumCVE-2021-41106GHSA-7322-jrq4-x5hf29 Sept 2021

    File reference keys leads to incorrect hashes on HMAC algorithms

    Affected
    >=3.4.0 <3.4.6 · >=4.0.0 <4.0.4 · >=4.1.0 <4.1.5
    Fixed in
    3.4.6, 4.0.4, 4.1.5

Which of your client projects are still on lcobucci/jwt 4.0?

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

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Other lcobucci/jwt 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.