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Date: Mon, 10 Dec 2018 01:50:37 +0100
From: Daniel Beck <>
Subject: Re: Script sandbox bypass in multiple Jenkins plugins

> On 29. Oct 2018, at 14:42, Daniel Beck <> wrote:
> The Groovy Sandbox library used by Script Security Plugin and Pipeline Groovy
> Plugin did not apply sandbox restrictions to finalize methods. This could be
> used to invoke arbitrary constructors and methods, bypassing sandbox
> protection.
> Finalize methods are now prohibited in classes subject to sandbox security.

CVE-2018-1000865 (Script Security Plugin) and CVE-2018-1000866 (Pipeline: Groovy Plugin)

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