CVE-2026-16242: falha crítica em Red Hat Logging Subsystem for Red Hat OpenShift
Hypershift: konnectivity proxy-server accepts agent connections without validating client certificates
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28Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 9.4epss 0.9%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Produtos afetados
Red Hat · Logging Subsystem for Red Hat OpenShiftRed Hat · Multicluster Engine for KubernetesRed Hat · multicluster engine for Kubernetes 2.1Red Hat · multicluster engine for Kubernetes 2.11Red Hat · multicluster engine for Kubernetes 2.17Red Hat · multicluster engine for Kubernetes 2.6Red Hat · multicluster engine for Kubernetes 2.8Red Hat · multicluster engine for Kubernetes 2.9Red Hat · OpenShift API for Data ProtectionRed Hat · Red Hat Advanced Cluster Management for Kubernetes 2Red Hat · Red Hat OpenShift Container Platform 4Red Hat · Red Hat OpenShift Container Platform 4.14Red Hat · Red Hat OpenShift Container Platform 4.15Red Hat · Red Hat OpenShift Container Platform 4.16Red Hat · Red Hat OpenShift Container Platform 4.17Red Hat · Red Hat OpenShift Container Platform 4.18Red Hat · Red Hat OpenShift Container Platform 4.19Red Hat · Red Hat OpenShift Container Platform 4.20Red Hat · Red Hat OpenShift Container Platform 4.21Red Hat · Red Hat OpenShift Container Platform 4.22CVEs relacionadas — Red Hat Logging Subsystem for Red Hat OpenShift
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Referências
https://access.redhat.com/errata/RHSA-2026:46885https://access.redhat.com/errata/RHSA-2026:47388https://access.redhat.com/errata/RHSA-2026:47728https://access.redhat.com/errata/RHSA-2026:47735https://access.redhat.com/errata/RHSA-2026:47949https://access.redhat.com/errata/RHSA-2026:47953https://access.redhat.com/errata/RHSA-2026:47974https://access.redhat.com/errata/RHSA-2026:48284https://access.redhat.com/errata/RHSA-2026:48657https://access.redhat.com/errata/RHSA-2026:48670https://access.redhat.com/errata/RHSA-2026:48676https://access.redhat.com/errata/RHSA-2026:48693