Severity: moderate Affected versions:
- Apache Kylin 4.0.0 through 5.0.4 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. This issue affects Apache Kylin: from 4.0.0 through 5.0.4. Users are recommended to upgrade to version 5.0.5, which fixes the issue. Credit: MopMonk-AI (finder) Wanxin Yin (finder) Dilrevx (finder) References: https://kylin.apache.org/ https://www.cve.org/CVERecord?id=CVE-2026-108771
