Bug 2527608 (CVE-2026-84659)

Summary: CVE-2026-84659 jenkins-script-security-plugin: Jenkins Script Security Plugin: Security sandbox bypass via missing permission check
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the Jenkins Script Security Plugin. This vulnerability allows an attacker to bypass security restrictions by disabling the global script sandbox. By exploiting a missing permission check through Stapler data binding, an attacker can execute arbitrary code, potentially compromising the Jenkins system.
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Description OSIDB Bzimport 2026-09-02 16:03:05 UTC
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.