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.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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
https://www.vulncheck.com/advisories/maclof-kubernetes-client-0.17.0-before-0.32.0-disabled-tls-certificate-verification

Configurations

No configuration.

History

05 Oct 2026, 01:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-05 01:16

Updated : 2026-10-06 16:08

NVD link : CVE-2026-105223

Mitre link : CVE-2026-105223

CVE.ORG link : CVE-2026-105223

JSON object : View

Products Affected

No product.

CWE

CWE-295

Improper Certificate Validation

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