{"id":"CVE-2026-108771","aliases":["EUVD-2026-104144","GHSA-8p62-58r2-prmw"],"status":"published","title":"Apache Kylin: unauthenticated broadcast API and polymorphic deserialization","description":"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 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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.0047,"percentile":0.41079,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-10-19T09:20:59Z","modified":"2026-10-30T18:32:19Z","products":[{"vendor":"apache software foundation","product":"apache kylin"}],"references":[{"url":"https://lists.apache.org/thread.html/d77s7dh3bxf02l4rjbgb6807g605zskx","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/16/16"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108771"},{"url":"https://github.com/advisories/GHSA-8p62-58r2-prmw"}],"sources":{"cve":[{"id":"CVE-2026-108771","title":"Apache Kylin: unauthenticated broadcast API and polymorphic deserialization","description":"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 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.","status":"published","published":"2026-10-19T09:20:59.076Z","modified":"2026-10-30T16:31:42.241Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:20:10.510075Z"}],"euvd":[{"id":"EUVD-2026-104144","description":"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 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.","status":"published","published":"2026-10-19T09:20:59Z","modified":"2026-10-30T16:31:42Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:05.913237Z"}],"ghsa":[{"id":"GHSA-8p62-58r2-prmw","title":"Missing authentication for in-house broadcast and polymorphic deserialization vulnerability in...","description":"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 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.","status":"published","published":"2026-10-19T12:32:46Z","modified":"2026-10-30T18:32:19Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:14:51.443103Z"}],"nvd":[{"id":"CVE-2026-108771","description":"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 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.","status":"published","published":"2026-10-19T10:16:44.69Z","modified":"2026-10-30T17:17:13.363Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:13:00.83844Z"}]}}