CVE-2025-64144: Jenkins Byteguard Build Actions

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Jenkins ByteGuard Build Actions Plugin 1.0 stores API tokens unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Item/Extended Read permission, or access to the Jenkins controller file system.

Affected products

• Jenkins Byteguard Build Actions: version 1.0 only

Published 2025-10-29. Last modified 2026-10-08.