CVE-2026-31431

Information notice Managed Server and Services Puppet Infrastructure Icinga Monitoring Services BURP Backup Infrastructure Package Cache APPUiO Managed Infrastructure Shared Rancher Management Server Project Syn Lieutenant APPUiO Managed OpenShift Control Plane CNI Plugins ("network plugins") Cilium (Isovalent Enterprise for Cilium) openshift-sdn OVNKubernetes Storage Cluster (rook-ceph) Cluster Monitoring Cluster Logging VSHN Paralus Puppet Managed Loadbalancers

Updates

Information

We are currently investigating the recently disclosed vulnerability CVE-2026-31431 (“Copy-Fail”) and assessing its potential impact on our services.
At this time, no customer action is required. We will apply relevant patches and mitigations as they become available and will provide further updates as soon as more information is available.

April 30, 2026 · 15:23 CEST

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