CVE-2026-105223
9.1
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| maclof | kubernetes-client | 0.17.0 < 0.32.0 | affected |
Weaknesses
- CWE-295: Improper Certificate Validation
References
- https://github.com/maclof/kubernetes-client/issues/135
- https://github.com/maclof/kubernetes-client
- https://github.com/maclof/kubernetes-client/commit/924c0b935fa538ed6b4b0948127609e99d0e6f34
- https://github.com/maclof/kubernetes-client/releases/tag/0.32.0
- https://github.com/maclof/kubernetes-client/blob/0.31.0/src/Client.php#L309-L312
- https://www.vulncheck.com/advisories/maclof-kubernetes-client-0.17.0-before-0.32.0-disabled-tls-certificate-verification
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