CVE-2026-64610

Apache Kylin: Redis unsafe Java deserialization

State: Published
Severity: 9.8 Critical
Published: Oct 16, 2026
Updated: Oct 20, 2026
Reserved: Jul 20, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Apache KylinApache Software Foundation	4..0.0 through 5.0.4Affected

References

https://lists.apache.org/thread.html/5jwj20t50wc6x9pw0zmlj8tzfl37dpryvendor-advisory
http://www.openwall.com/lists/oss-security/2026/10/16/3

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