CVE-2019-10404: Jenkins

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

Jenkins 2.196 and earlier, LTS 2.176.3 and earlier did not escape the reason why a queue items is blcoked in tooltips, resulting in a stored XSS vulnerability exploitable by users able to control parts of the reason a queue item is blocked, such as label expressions not matching any idle executors.

Affected products

• Jenkins Jenkins: up to and including 2.176.3; up to and including 2.196

Published 2019-09-25. Last modified 2026-06-17.