An exposure of sensitive information vulnerability exists in Jenkins Kubernetes Plugin 1.10.1 and earlier in KubernetesCloud.java that allows attackers to capture credentials with a known credentials ID stored in Jenkins. References: https://jenkins.io/security/advisory/2018-07-30/#SECURITY-1016
OCP 3.11 is shipping kubernetes plugin version 1.12.1 so is not affected by this flaw.