CVE-2026-64610

Deserialization of Untrusted Data vulnerability in Apache Kylin. Unsafe Java deserialization could happen from a broken external cache service. This issue affects Apache Kylin: from 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

Awaiting Analysis - security@apache.org

Published

2026-10-16

Last modified

2026-10-20

Weaknesses

CWE-502

Affected products

• Apache Kylin (Apache Software Foundation)

References

• https://lists.apache.org/thread.html/5jwj20t50wc6x9pw0zmlj8tzfl37dpry
• http://www.openwall.com/lists/oss-security/2026/10/16/3