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Date: Wed, 23 Jan 2019 11:18:20 +0100
From: Daniel Beck <>
Subject: Re: Sandbox bypass in multiple Jenkins plugins

> On 8. Jan 2019, at 13:46, Daniel Beck <> wrote:
> Script Security sandbox protection could be circumvented during the 
> compilation phase by applying AST transforming annotations such as @Grab
> to source code elements.
> Both the pipeline validation REST APIs and actual script/pipeline 
> execution are affected.
> This allowed users with Overall/Read permission, or able to control 
> Jenkinsfile or sandboxed Pipeline shared library contents in SCM, to 
> bypass the sandbox protection and execute arbitrary code on the Jenkins 
> master.

CVE-2019-1003000 (Script Security Plugin)
CVE-2019-1003001 (Pipeline: Groovy Plugin)
CVE-2019-1003002 (Pipeline: Declarative Plugin)

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