CVE-2018-1000406: Jenkins

Medium severity, CVSS 6.5. EPSS: 4% chance of exploitation in the next 30 days.

A path traversal vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/model/FileParameterValue.java that allows attackers with Job/Configure permission to define a file parameter with a file name outside the intended directory, resulting in an arbitrary file write on the Jenkins master when scheduling a build.

Affected products

• Jenkins Jenkins: up to and including 2.138.1; up to and including 2.145

Published 2019-01-09. Last modified 2026-06-17.