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.
Published: 2026-10-05
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
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Remediation

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History

Tue, 06 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Maclof
Maclof kubernetes-client
Vendors & Products Maclof
Maclof kubernetes-client

Mon, 05 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 05 Oct 2026 01:00:00 +0000

Type Values Removed Values Added
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.
Title maclof kubernetes-client 0.17.0 before 0.32.0 Disabled TLS Certificate Verification
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, 'vector': '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'}


Subscriptions

Maclof Kubernetes-client
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-05T14:11:33.012Z

Reserved: 2026-10-04T13:04:00.479Z

Link: CVE-2026-105223

cve-icon Vulnrichment

Updated: 2026-10-05T14:11:29.226Z

cve-icon NVD

Status : Deferred

Published: 2026-10-05T01:16:28.480

Modified: 2026-10-06T16:08:43.180

Link: CVE-2026-105223

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-06T21:09:52Z

Weaknesses
  • CWE-295

    Improper Certificate Validation