Jenkins Matrix Authorization Strategy vulnerabilities
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Published CVEs affecting Jenkins Matrix Authorization Strategy: 1 record(s), with affected versions and fixes.cpe:2.3:a:jenkins:matrix_authorization_strategy
CVE-2026-42521
Medium · 6.5
CWE-502 Apr 29, 2026
Deserialization of Untrusted Data in Jenkins Matrix Authorization Strategy
Jenkins Matrix Authorization Strategy Plugin 2.0-beta-1 through 3.2.9 (both inclusive) invokes parameterless constructors of classes specified in configuration when deserializing inheritance strategies, without restricting the classes that can be instantiated, allowing attackers with Item/Configure permission to instantiate arbitrary types, which may lead to information disclosure or other impacts depending on the classes available on the classpath.