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I. Basic Information for CVE-2026-42521
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Jenkins ProjectJenkins Matrix Authorization Strategy Plugin 2.0-beta-1 ~ 3.2.9 -
II. Public POCs for CVE-2026-42521
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III. Intelligence Information for CVE-2026-42521
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IV. Related Vulnerabilities
Same product: Jenkins Matrix Authorization Strategy Plugin
Same vendor: Jenkins Project
V. Comments for CVE-2026-42521

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