CVE-2026-108771 PUBLISHED

Apache Kylin: unauthenticated broadcast API and polymorphic deserialization

Assigner: apache
Reserved: 11.10.2026 Published: 19.10.2026 Updated: 19.10.2026

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.

Product Status

Vendor Apache Software Foundation
Product Apache Kylin
Versions Default: unaffected
  • affected from 4.0.0 to 5.0.4 (incl.)

Credits

  • MopMonk-AI finder
  • Wanxin Yin finder
  • Dilrevx finder

References

Problem Types

  • CWE-306 Missing authentication for critical function CWE