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.
Published: 2026-10-19
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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History

Fri, 30 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 19 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache apache Kylin
Apache Software Foundation
Apache Software Foundation apache Kylin
Vendors & Products Apache
Apache apache Kylin
Apache Software Foundation
Apache Software Foundation apache Kylin

Mon, 19 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
References

Mon, 19 Oct 2026 09:45:00 +0000

Type Values Removed Values Added
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.
Title Apache Kylin: unauthenticated broadcast API and polymorphic deserialization
Weaknesses CWE-306
References

Subscriptions

Apache Apache Kylin
Apache Software Foundation Apache Kylin
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-30T16:31:42.241Z

Reserved: 2026-10-11T07:26:14.371Z

Link: CVE-2026-108771

cve-icon Vulnrichment

Updated: 2026-10-19T10:11:50.298Z

cve-icon NVD

Status : Deferred

Published: 2026-10-19T10:16:44.690

Modified: 2026-10-30T17:17:13.363

Link: CVE-2026-108771

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T18:30:16Z

Weaknesses