Description
A sandbox bypass vulnerability exists in Script Security Plugin 1.47 and earlier in groovy-sandbox/src/main/java/org/kohsuke/groovy/sandbox/SandboxTransformer.java that allows attackers with Job/Configure permission to execute arbitrary code on the Jenkins master JVM, if plugins using the Groovy sandbox are installed.
Remediation
References
https://jenkins.io/security/advisory/2018-10-29/#SECURITY-1186
https://access.redhat.com/errata/RHBA-2019:0326
https://access.redhat.com/errata/RHBA-2019:0327