CVE-2026-105223
HIGHCVSS 7.4Description
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.
Timeline
Published:October 5th, 2026 1:16 AM
Last modified:October 5th, 2026 3:17 PM
CVSS Scoring
CVSS v3: 7.4 (HIGH)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- 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
Source: NIST NVD · Data may lag official sources by up to one minute