CVE-2025-31726: Jenkins Stack Hammer

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Jenkins Stack Hammer Plugin 1.0.6 and earlier stores Stack Hammer API keys unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Extended Read permission, or access to the Jenkins controller file system.

Affected products

• Jenkins Stack Hammer: up to and including 1.0.6

Published 2025-04-02. Last modified 2026-06-17.