CVE-2019-10459: Jenkins Mattermost Notification

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Jenkins Mattermost Notification Plugin 2.7.0 and earlier stored webhook URLs containing a secret token unencrypted in its global configuration file and job config.xml files on the Jenkins master where they could be viewed by users with Extended Read permission, or access to the master file system.

Affected products

• Jenkins Mattermost Notification: up to and including 2.7.0

Published 2019-10-23. Last modified 2026-06-17.