CVE-2026-57281: Jenkins Script Security

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox if a suitable script is present on the classpath of the component that evaluates the script.

Affected products

• Jenkins Script Security: up to and including 1402.v94c9ce464861

Published 2026-06-24. Last modified 2026-08-27.