Description
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.
Remediation
References
http://www.openwall.com/lists/oss-security/2022/10/19/3
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2831