CVE-2021-21626: Jenkins Warnings Next Generation

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.

Affected products

• Jenkins Warnings Next Generation: up to and including 8.4.4

Published 2021-03-18. Last modified 2026-06-17.