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Vulnerabilities CVE-2026-42521

CVE-2026-42521

Medium
Open
TLP:CLEAR

AI Analysis

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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.

Details

CVSS Score
6.5
EPSS Score
0.25%

15.9th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Confidence
90%
Published
Apr 29, 2026
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