Deserialization in Phpunit_project 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: 0.003 (26.6th 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
- Phpunit_project Phpunit
- Sebastianbergmann Phpunit — versions < 8.5.52, >= 9.0.0, < 9.6.33, >= 10.0.0, < 10.5.62
- Debian Debian_linux — versions 11.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-24765?
- CVE-2026-24765 is a high-severity vulnerability in Phpunit_project 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.