CVE-2026-42519: Jenkins Script Security

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A missing permission check in Jenkins Script Security Plugin 1399.ve6a_66547f6e1 and earlier allows attackers with Overall/Read permission to enumerate pending and approved Script Security classpaths.

Affected products

• Jenkins Script Security: up to and including 1399.ve6a_66547f6e1

Published 2026-04-29. Last modified 2026-06-17.