CVE-2026-105223: Maclof Kubernetes-Client

High severity, CVSS 7.4. EPSS: 0.2% chance of exploitation in the next 30 days.

maclof kubernetes-client 0.17.0 before 0.32.0 disables TLS certificate verification in parseKubeconfig() and parseKubeconfigFile() when a kubeconfig lacks certificate-authority-data, ignoring insecure-skip-tls-verify. On-path attackers can impersonate the Kubernetes API server to capture Bearer tokens or Basic credentials and tamper with WebSocket or REST API traffic.

Affected products

• Maclof Kubernetes-Client: from 0.17.0, before 0.32.0 (fixed in 0.32.0)

Published 2026-10-05. Last modified 2026-10-06.