Jenkins ScriptSec Plugin: sandbox bypass via missing permission check
CVE-2026-84659 Published on September 2, 2026
Jenkins Script Security Plugin 1412.v7737b_3405f86 and earlier does not enforce a permission check in the method that controls the "Force the use of the sandbox globally in the system" setting, allowing attackers to disable it through Stapler data binding.
Vulnerability Analysis
CVE-2026-84659 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-84659 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-84659
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Affected Versions
Jenkins Project Jenkins Script Security Plugin:- Before and including 1412.v7737b_3405f86 is affected.