EUVD Vulnerability Catalog
EUVD-2026-92155
Severity: CRITICAL
Base Score: 9.1
CVSS Version: 4.0
Vulnerability 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.
CVSS Vector Analysis
Below is the complete, human-readable breakdown of the CVSS metric string: 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
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Attack Vector (AV): Network
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Attack Complexity (AC): High
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Attack Requirements (AT): Present
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Privileges Required (PR): None
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User Interaction (UI): None
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Vulnerability Confidentiality Impact (VC): High
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Vulnerability Integrity Impact (VI): High
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Vulnerability Availability Impact (VA): None
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Subsequent Confidentiality Impact (SC): None
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Subsequent Integrity Impact (SI): None
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Subsequent Availability Impact (SA): None
Affected Vendors & Systems
Vendor
maclof
References & Advisory Links
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2026-105223
Metadata Profile
Database Authority
European Union Agency for Cybersecurity (ENISA) EUVD
Assigner
VulnCheck
EPSS Probability
0
Known Aliases
GHSA-52r7-jqcr-m8h9
CVE-2026-105223
Published On
2026-10-05
Last Updated
2026-10-05