CVE-2026-108771
Published:October 19, 2026
Updated:October 21, 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.
Affected Packages
https://github.com/apache/kylin.git (GITHUB):
Affected version(s) >=kylin-5.0.0-alpha <kylin-5.0.5Fix Suggestion:
Update to version kylin-5.0.5org.apache.kylin:kylin-core-common (JAVA):
Affected version(s) >=5.0.0-alpha <5.0.5Fix Suggestion:
Update to version 5.0.5org.apache.kylin:kylin-common-server (JAVA):
Affected version(s) >=5.0.0-alpha <5.0.5Fix Suggestion:
Update to version 5.0.5Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
EPSS
Base Score:
0.24