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HIGH

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier checks the operations Groovy will perform with the elements it reads from a collection that a sandboxed script casts to another type but performs the cast on the collection itself, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM

Published Sep 16, 2026

Description

Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier checks the operations Groovy will perform with the elements it reads from a collection that a sandboxed script casts to another type but performs the cast on the collection itself, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner jenkins
Published Sep 16, 2026
Updated Sep 16, 2026
Reserved Sep 15, 2026
CISA Vulnrichment
Updated Sep 16, 2026
NVD
Status Undergoing Analysis
Modified Sep 16, 2026
Red Hat
Severity n/a
Public date n/a