Medium (5.3) in jenkins mercurial. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.plugins:mercurial 1260.vdfb_723cdcc81.
Jenkins Mercurial Plugin 1251.va_b_121f184902 and earlier provides information about which jobs were triggered or scheduled for polling through its webhook endpoint, including jobs the user has no permission to access.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)