Jenkins Blue Ocean plugin before version 1.10.2 did not require CSRF tokens ("crumbs") for POST requests with the Content-Type: application/json. Blue Ocean now requires that valid CSRF tokens are present in POST requests. External Reference: https://jenkins.io/security/advisory/2019-01-28/#SECURITY-1201 Upstream patches: https://github.com/jenkinsci/blueocean-plugin/commit/1a03020b5a50c1e3f47d4b0902ec7fc78d3c86ce
openshift-enterprise 3.4-3.11 inclusive: affected Once openshift3/jenkins-1-rhel7, openshift3/jenkins-2-rhel7, openshift3/jenkins-slave-base-rhel7 container images have been released with these fixes, users of all versions of openshift-enterprise-3.2+ are encouraged to update these container images in their environment.