CVE-2026-92128

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Jenkins Script Security

PublishedSep 16, 2026

First seenSep 16, 2026

Weakness typeCWE-494CWE-494

How to fix

Vendor advisories

jenkins.io/security/advisory/2026-09-16/#SECURITY-3932

Affected products

Product	Affected versions	Fixed in
jenkins script_security	v ≤ 1415.v9a_f9b_3a_c253d	—

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