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CVE-2026-16242
9.4 CRITICAL
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): Low (L)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): Low (L)
Activity log
- Created & dismissed (no matching packages found) suggestion
Hypershift: konnectivity proxy-server accepts agent connections without validating client certificates
A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --cluster-ca-cert (and without token-based agent authentication), so client certificates were not validated. A remote attacker who can reach the Konnectivity cluster endpoint could connect as an unauthenticated agent, join the routing pool, and potentially proxy, inspect, modify, or drop control-plane-to-node traffic.
References
Affected products
oadp/oadp-rhel9-operator
rhacm2/acm-must-gather-rhel9
rhacm2/rbac-query-proxy-rhel9
rhacm2/metrics-collector-rhel9
openshift4/ose-hypershift-rhel8
openshift4/ose-hypershift-rhel9
rhacm2/grafana-dashboard-loader-rhel9
openshift4/ose-cluster-network-operator
multicluster-engine/hypershift-cli-rhel9
oadp/oadp-hypershift-velero-plugin-rhel9
rhacm2/endpoint-monitoring-rhel9-operator
openshift4/ose-smb-csi-driver-rhel9-operator
multicluster-engine/hypershift-rhel9-operator
openshift4/ose-cluster-network-rhel9-operator
openshift4/ose-cluster-storage-rhel9-operator
openshift4/ose-csi-driver-manila-rhel9-operator
openshift-logging/cluster-logging-rhel9-operator
openshift4/ose-aws-ebs-csi-driver-rhel9-operator
openshift4/ose-aws-efs-csi-driver-rhel9-operator
rhacm2/multicluster-observability-rhel9-operator
openshift4/ose-cluster-node-tuning-rhel9-operator
rhacm2/acm-multicluster-observability-addon-rhel9
multicluster-engine/hypershift-addon-rhel9-operator
openshift4/ose-azure-disk-csi-driver-rhel9-operator
openshift4/ose-azure-file-csi-driver-operator-rhel9
multicluster-engine/cluster-curator-controller-rhel9
openshift4/ose-powervs-block-csi-driver-rhel9-operator
openshift4/ose-openstack-cinder-csi-driver-rhel9-operator
multicluster-engine/managedcluster-import-controller-rhel9
openshift4/ose-cluster-csi-snapshot-controller-rhel9-operator