Jenkins Matrix Authorization Strategy vulnerabilities

CVE-2026-42521 [MEDIUM] CWE-502 CVE-2026-42521: Jenkins Matrix Authorization Strategy Plugin 2.0-beta-1 through 3.2.9 (both inclusive) invokes param 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 ma

CVE-2021-21623 [MEDIUM] CWE-863 CVE-2021-21623: An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allo An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.

CVE-2020-2226 [MEDIUM] CWE-79 CVE-2020-2226: Jenkins Matrix Authorization Strategy Plugin 2.6.1 and earlier does not escape user names shown in t Jenkins Matrix Authorization Strategy Plugin 2.6.1 and earlier does not escape user names shown in the configuration, resulting in a stored cross-site scripting vulnerability.