Is phpunit/phpunit 9.6 vulnerable?

Composer · 39 releases from 9.6.0 to 9.6.38 · latest phpunit/phpunit is 13.4.6 · checked 2 Nov 2026

No known advisories in the last release

phpunit/phpunit 9.6.38, the last 9.6 release, has no known advisories. 1 advisory affects earlier 9.6.x releases, so update to 9.6.38.

Update within 9.6:composer require phpunit/phpunit:^9.6.38

Is your project affected?

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

Fixed within 9.6.x, affecting earlier releases

  • HighCVE-2026-24765GHSA-vvj3-c3rp-c85p27 Jan 2026

    PHPUnit Vulnerable to Unsafe Deserialization in PHPT Code Coverage Handling

    Affected
    <8.5.52 · >=9.0.0 <9.6.33 · >=10.0.0 <10.5.62 · >=11.0.0 <11.5.50 · >=12.0.0 <12.5.8
    Fixed in
    8.5.52, 9.6.33, 10.5.62, 11.5.50, 12.5.8

Which of your client projects are still on phpunit/phpunit 9.6?

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Other phpunit/phpunit 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.