CVE-2026-70431: Jenkins Project Jenkins Multijob Plugin

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Jenkins Project Jenkins Multijob Plugin: up to and including 669.v9d96a_d9c71b_0

Published 2026-08-05. Last modified 2026-08-31.