CVE-2026-108709

Authentication bypass within in-house network 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 4.0.4 through 5.0.4. Users are recommended to upgrade to version 5.0.5, which fixes the issue.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - security@apache.org

Published

2026-10-16

Last modified

2026-10-20

Weaknesses

CWE-287

Affected products

• Apache Kylin (Apache Software Foundation)

References

• https://lists.apache.org/thread.html/okkvcvoj1007f6cxhwp9v6j6t4ynfnwb
• http://www.openwall.com/lists/oss-security/2026/10/16/11