CVE-2020-2109: Jenkins Pipeline: Groovy

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Sandbox protection in Jenkins Pipeline: Groovy Plugin 2.78 and earlier can be circumvented through default parameter expressions in CPS-transformed methods.

Affected products

• Jenkins Pipeline: Groovy: up to and including 2.78

Published 2020-02-12. Last modified 2026-06-17.