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HIGH ACT BY 23 OCT 2026 GKE security bulletins · 24 Oct 2026

GCP-2026-071: emSign CA compromise in GKE

Multiple emSign subordinate CA keys were stolen, exposing external TLS connections from GKE nodes and control plane to MitM. Internal cluster mTLS is safe. Patched GKE versions now distrust the bad CAs.

CVE-2026-111943
HIGH ACT BY 2 OCT 2026 GKE release notes · 3 Oct 2026

GKE 1.36.3+ FUSE CSI DaemonSet crash on older kernels

Control planes 1.36.3-gke.1244000 and later break the gcsfusecsi-node DaemonSet on Ubuntu and older COS node pools because /proc/sys/fs/fuse is absent.

INFO endoflife.date · 19 Oct 2026

Ubuntu 26.10 released

Ubuntu 26.10 was released on 2026-10-15.
INFO AWS What's New · 13 Oct 2026

Amazon DCV 2026.0 adds RHEL 10 support and new clients

Amazon DCV 2026.0 now supports RHEL 10, Rocky Linux 10, CentOS 10, Ubuntu 26.04 on Wayland and ships updated Windows, Linux, and macOS clients.
INFO Azure Updates · 6 Oct 2026

Public Preview: AKS on bare metal now on Ubuntu

Azure Kubernetes Service on bare metal is now in public preview, running directly on Ubuntu without virtualization layers.
INFO Azure Updates · 2 Oct 2026

Public Preview: Ubuntu 26.04 support in AKS

Azure Kubernetes Service now offers Ubuntu 26.04 as an OS SKU for node pools, replacing older LTS releases.

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