{"id":"CVE-2026-108709","title":"Apache Kylin: Unauthenticated Metadata Broadcast (inside in-house network)","summary":"Authentication bypass within in-house network in Apache Kylin. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted.\n\n\n\nThis issue affects …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"adp","vendor":"Apache Software Foundation","product":"Apache Kylin","affected":["apache_kylin >= 4.0.4 <= 5.0.4"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-20T18:06:55.535643Z"},"published":"2026-10-16","updated":"2026-10-20","sourceUpdated":"2026-10-20T18:06:59.378Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108709","references":[{"url":"https://lists.apache.org/thread.html/okkvcvoj1007f6cxhwp9v6j6t4ynfnwb"}],"tags":["cve.org"],"epss":0.00402,"epssPercentile":0.34309,"ingestedAt":"2026-10-16T20:51:40.020Z","slug":"CVE-2026-108709","body":"## Overview\n\nAuthentication bypass within in-house network in Apache Kylin. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted.\n\n\n\nThis issue affects Apache Kylin: from 4.0.4 through 5.0.4.\n\n\n\nUsers are recommended to upgrade to version 5.0.5, which fixes the issue.\n\n## Affected\n\n- `apache_kylin >= 4.0.4 <= 5.0.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":226096,"id":"CVE-2026-108709","ts":1792523881287,"field":"cvss","old":null,"new":"9.8"},{"seq":226095,"id":"CVE-2026-108709","ts":1792523881287,"field":"severity","old":"none","new":"critical"}]}