CVE-2026-105223
HIGH
NVD
CVSS Score
7.4
Severity
HIGH
Published
Oct 05, 2026
Vendor
unknown
Description
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.
References
- https://github.com/maclof/kubernetes-client
- https://github.com/maclof/kubernetes-client/blob/0.31.0/src/Client.php#L309-L312
- https://github.com/maclof/kubernetes-client/commit/924c0b935fa538ed6b4b0948127609e99d0e6f34
- https://github.com/maclof/kubernetes-client/issues/135
- https://github.com/maclof/kubernetes-client/releases/tag/0.32.0