CVE-2026-105223
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.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version



Related Resources
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105223.json, https://github.com/maclof/kubernetes-client/releases/tag/0.32.0, https://nvd.nist.gov/vuln/detail/CVE-2026-105223, https://www.vulncheck.com/advisories/maclof-kubernetes-client-0.17.0-before-0.32.0-disabled-tls-certificate-verification, https://github.com/maclof/kubernetes-client/issues/135, https://github.com/maclof/kubernetes-client/commit/924c0b935fa538ed6b4b0948127609e99d0e6f34, https://github.com/maclof/kubernetes-client, https://github.com/maclof/kubernetes-client/blob/0.31.0/src/Client.php#L309-L312