CVE-2026-108771: Apache Kylin: unauthenticated broadcast API and polymorphic deserialization
Published Oct 19, 2026
·Updated
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.
Affected Software
1 affected component
Apache Kylin>=4.0.0<=5.0.4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apache Kylinto a version that resolves this vulnerability.Fixed in 5.0.5
Event History
Oct 19, 2026
CVE Published
via MITRE·09:20 AM
Data Sourced
via MITRE·09:20 AM
DescriptionWeakness
Data Sourced
via NVD·10:16 AM
DescriptionWeakness