CVE-2026-92124

Sandbox Escalation in Jenkins Script Security Plugin via Unchecked Collection Cast

Published Sep 16, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier checks the operations Groovy will perform with the elements it reads from a collection that a sandboxed script casts to another type but performs the cast on the collection itself, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Jenkins
Jenkins script Security
CPEs cpe:2.3:a:jenkins:script_security:*:*:*:*:*:jenkins:*:*
Vendors & Products Jenkins
Jenkins script Security
Type Values Removed Values Added
Title Sandbox Escalation in Jenkins Script Security Plugin via Unchecked Collection Cast
Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins Script Security Plugin
Vendors & Products Jenkins Project
Jenkins Project jenkins Script Security Plugin
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier checks the operations Groovy will perform with the elements it reads from a collection that a sandboxed script casts to another type but performs the cast on the collection itself, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Sep 16, 2026, 8:02 PM
Reserved
Sep 15, 2026, 4:29 PM
Status
Analyzed
Published
Sep 16, 2026, 2:17 PM
Modified
Sep 21, 2026, 5:30 PM