High severity7.4NVD Advisory· Published Oct 5, 2026
CVE-2026-105223
CVE-2026-105223
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.
Affected products
1- Range: <0.32.0
Patches
Vulnerability mechanics
References
5- github.com/maclof/kubernetes-client/blob/0.31.0/src/Client.phpnvd
- github.com/maclof/kubernetes-client/commit/924c0b935fa538ed6b4b0948127609e99d0e6f34nvd
- github.com/maclof/kubernetes-client/issues/135nvd
- github.com/maclof/kubernetes-client/releases/tag/0.32.0nvd
- www.vulncheck.com/advisories/maclof-kubernetes-client-0.17.0-before-0.32.0-disabled-tls-certificate-verificationnvd
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