Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.Referenceshttps://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2278http://www.openwall.com/lists/oss-security/2021/06/30/1