Jenkins Multijob Plugin Groovy Script Exec Not Secured Vulnerability
CVE-2026-70431 Published on August 5, 2026
Jenkins Multijob Plugin 669.v9d96a_d9c71b_0 and earlier provides Groovy scripting features that do not integrate with Script Security Plugin, allowing attackers with Item/Create or Item/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.
Vulnerability Analysis
CVE-2026-70431 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-70431 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-70431
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Affected Versions
Jenkins Project Jenkins Multijob Plugin:- Before and including 669.v9d96a_d9c71b_0 is affected.