CVE-2025-53678: Jenkins USER1ST Utester

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Jenkins User1st uTester Plugin 1.1 and earlier stores the uTester JWT token unencrypted in its global configuration file on the Jenkins controller, where it can be viewed by users with access to the Jenkins controller file system.

Affected products

• Jenkins USER1ST Utester: up to and including 1.1

Published 2025-07-09. Last modified 2026-06-17.