CVE-2026-92128

Jenkins Script Security Plugin Allows Arbitrary Code Execution via JAR Download Flaw

Published Sep 16, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

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 Jenkins Script Security Plugin Allows Arbitrary Code Execution via JAR Download Flaw
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
Weaknesses CWE-494
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
Description Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Sep 16, 2026, 7:47 PM
Reserved
Sep 15, 2026, 4:29 PM
Status
Analyzed
Published
Sep 16, 2026, 2:17 PM
Modified
Sep 21, 2026, 5:16 PM