CVE-2026-108771 Details
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.
A vulnerability in Apache Kylin versions 4.0.0 through 5.0.4 allows for missing authentication in the broadcast API, coupled with polymorphic deserialization. This issue primarily impacts Kylin services exposed to the public network, a scenario that is not common. Most in-house Kylin deployments are likely not affected.
Users are advised to upgrade to Apache Kylin version 5.0.5, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 19, 2026CISA-ADP
Assessed Oct 30, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/10/16/16 | CVE | AdvisoryMailing ListRemedy |
| https://lists.apache.org/thread.html/d77s7dh3bxf02l4rjbgb6807g605zskx | [email protected] | AdvisoryMailing ListRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-306 | Missing Authentication for Critical Function | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Apache Kylin | >= 4.0.0, <= 5.0.4 (semver) |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 30, 2026 | CVE Modified | CISA-ADP |
| Oct 19, 2026 | CVE Modified | CVE |
| Oct 19, 2026 | New CVE Received | [email protected] |