CVE-2020-2306: Jenkins Mercurial

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

A missing permission check in Jenkins Mercurial Plugin 2.11 and earlier allows attackers with Overall/Read permission to obtain a list of names of configured Mercurial installations.

Affected products

• Jenkins Mercurial: up to and including 2.11

Published 2020-11-04. Last modified 2026-06-17.