Sandbox protection in Jenkins Script Security Plugin 1.69 and earlier could be circumvented during the script compilation phase by applying AST transforming annotations to imports or by using them inside of other annotations.
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.67 and earlier related to the handling of default parameter expressions in closures allowed attackers to execute arbitrary code in sandboxed scripts.
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.64 and earlier related to the handling of default parameter expressions in constructors allowed attackers to execute arbitrary code in sandboxed scripts.