Kubernetes · week of 12 Oct 2026

Kubernetes security note

Records on this stack that changed between 12 Oct 2026 and the following Monday. Versions come from the stored ranges. A quiet week is not proof the stack is clear.

What changed

  • CVE-2026-62994 — Check if you run it

    CoreDNS headless AXFR can emit an empty transfer batch that panics the plugin

    Affected: 1.9.4 → 1.14.5, >= 1.9.4, <= 1.14.4

  • CVE-2025-5987 — Check if you run it

    A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library.

    Affected: patch: 4.20.9.6.202601211057-0

  • CVE-2026-77524 — Check if you run it

    KEDA is a Kubernetes-based Event Driven Autoscaling component.

    Affected: 0 → 2.21.0, <= 1.5.0, < 2.21.0

  • CVE-2026-77564 — Check if you run it

    Talos Linux is a Linux distribution built for Kubernetes deployments.

    Affected: < 1.14.0-alpha.0.0.20260513110206-76080416beee

  • CVE-2026-77459 — Check if you run it

    Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes.

    Affected: >= 2.10.0, <= 2.14.21, >=2.10.0 <=2.14.21, >= 3.0.0

  • CVE-2026-3012 — Check if you run it

    A flaw was found in Samba’s certificate auto-enrollment Group Policy handling.

    Affected: 7.0, 9.0, 4.0

  • CVE-2026-2340 — Check if you run it

    A flaw was found in Samba’s vfs_worm module.

    Affected: 10.0, 7.0, 8.0, 9.0

  • CVE-2025-71424 — Check if you run it

    Contrast, Edgeless Systems' runtime for confidential containers on Kubernetes, is affected in versions up to and including 1.9.0.

    Affected: <= 1.9.0

What we still do not know

  • CVE-2026-75887 — Check if you run it

    A flaw was found in the OpenShift console.

    No version range is stored, so an installed version cannot be checked.

  • CVE-2026-75885 — Check if you run it

    A flaw was found in the OpenShift console.

    No version range is stored, so an installed version cannot be checked.

  • CVE-2026-75888 — Check if you run it

    A flaw was found in the OpenShift console.

    No version range is stored, so an installed version cannot be checked.

  • CVE-2025-2586 — Check if you run it

    A flaw was found in the OpenShift Lightspeed Service, which is vulnerable to unauthenticated API request flooding.

    No version range is stored, so an installed version cannot be checked.

  • CVE-2026-83589 — Check if you run it

    A flaw was found in oauth-proxy.

    No version range is stored, so an installed version cannot be checked.

  • CVE-2025-66626 — Check if you run it

    Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes.

    No version range is stored, so an installed version cannot be checked.

  • CVE-2025-5278 — Check if you run it

    A flaw was found in GNU Coreutils.

    No version range is stored, so an installed version cannot be checked.

  • CVE-2025-13281 — Check if you run it

    A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass.

    No version range is stored, so an installed version cannot be checked.

Share this note

Kubernetes security note, week of 12 Oct 2026: 8 records have a version a customer can check, and 8 still do not. https://zerodayfindings.com/technologies/kubernetes/notes/2026-W42