Deserialization in Sebastianbergmann Phpunit

CVE-2026-24765

PHPUnit is a testing framework for PHP. A vulnerability has been discovered in versions prior to 12.5.8, 11.5.50, 10.5.62, 9.6.33, and 8.5.52 involving unsafe deserialization of code coverage data in PHPT test execution. The vulnerability…

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (46.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-24765?
CVE-2026-24765 is a high-severity vulnerability in Sebastianbergmann Phpunit, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-01-27.
How severe is CVE-2026-24765?
High severity. CVSS v3 base score is 7.8 out of 10.