Jenkins Project Jenkins Matrix Authorization Strategy Plugin

• CVE-2026-42521 Medium 6.5 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 strategie 0.2%
• CVE-2021-21623 Unrated 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 p 1.0%
• CVE-2020-2226 Unrated 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. 0.9%