{"id":"CVE-2026-105223","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105223","generatedAt":"2026-10-27T22:51:20.791Z","title":"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.","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":"2026-10-05T01:16:28.000Z","lastModified":"2026-10-06T16:08:43.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":9.1,"severity":"CRITICAL","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-295"],"affected":[],"epss":{"score":0.00199,"percentile":0.0956,"date":"2026-10-26","history":[{"date":"2026-10-05","score":0.00199,"percentile":0.08761}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-05T01:16:28.000Z","detail":{"score":"9.1","severity":"CRITICAL","publishedAt":"2026-10-05T01:16:28.480Z"},"summary":"New CVE, critical severity (CVSS 9.1)."}],"references":[{"url":"https://github.com/maclof/kubernetes-client","source":"disclosure@vulncheck.com"},{"url":"https://github.com/maclof/kubernetes-client/blob/0.31.0/src/Client.php#L309-L312","source":"disclosure@vulncheck.com"},{"url":"https://github.com/maclof/kubernetes-client/commit/924c0b935fa538ed6b4b0948127609e99d0e6f34","source":"disclosure@vulncheck.com"},{"url":"https://github.com/maclof/kubernetes-client/issues/135","source":"disclosure@vulncheck.com"},{"url":"https://github.com/maclof/kubernetes-client/releases/tag/0.32.0","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/maclof-kubernetes-client-0.17.0-before-0.32.0-disabled-tls-certificate-verification","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105223","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}