CVE-2026-108771
Apache Kylin: unauthenticated broadcast API and polymorphic deserialization
- State
- Published
- Severity
- 9.8 Critical
- Published
- Oct 19, 2026
- Updated
- Oct 30, 2026
- Reserved
- Oct 11, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-306 Missing authentication for critical function
Affected Products
| Product | Versions |
|---|---|
Apache KylinApache Software Foundation |
|
References
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