{"id":"CVE-2026-108771","title":"Apache Kylin: unauthenticated broadcast API and polymorphic deserialization","summary":"Missing authentication for in-house broadcast and polymorphic deserialization vulnerability in Apache Kylin. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments a…","severity":"none","cwe":["CWE-306"],"vendor":"Apache Software Foundation","product":"Apache Kylin","affected":["apache_kylin >= 4.0.0 <= 5.0.4"],"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T10:11:50.298Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108771","references":[{"url":"https://lists.apache.org/thread.html/d77s7dh3bxf02l4rjbgb6807g605zskx"}],"tags":["cve.org"],"ingestedAt":"2026-10-19T12:27:23.829Z","slug":"CVE-2026-108771","body":"## Overview\n\nMissing authentication for in-house broadcast and polymorphic deserialization vulnerability 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 4.0.0 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 >= 4.0.0 <= 5.0.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}