Is CVE-2026-70431 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-70431?

CVE-2026-70431 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-70431

Description

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.