CVE-2026-66795

The managedcluster-import-controller's CSR auto-approver skips validation of signer name, certificate subject, and requester identity, letting a privileged spoke-cluster service account submit a malicious CSR and escalate to hub-cluster admin. CVSS 9.1 critical; no exploitation evidence provided....

CVE-2026-66795: Improper Certificate Validation

A flaw was found in the managedcluster-import-controller. The Certificate Signing Request CSR auto-approval logic improperly validates incoming CSRs, specifically by not inspecting the signer name or decoding the PEM-encoded x509 CSR. This vulnerability allows a privileged service account on a...

EUVD-2026-38233

A flaw was found in the Windows Machine Config Operator WMCO for Red Hat OpenShift Container Platform. The WICD CSR auto-approver validates that a Certificate Signing Request contains the organization system:wicd-nodes but does not reject additional organization values such as system:masters. A...