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CVE-2026-105223.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSCRITICAL / 9.1CVSS 4.0 · disclosure@vulncheck.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSReceivedModified Oct 05, 2026

Disclosure 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.

Source-reported weakness categories

CWE-295

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2026-105223

Open original source · Updated Oct 05, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

Original records & references

PUBLISHED 2026-10-04T21:16:28-04:00
MODIFIED 2026-10-05T11:17:19-04:00
INGESTED 2026-10-06T11:45:39-04:00