Critical severity · published Oct 16, 2026
CVE-2026-64610
Apache Kylin: Redis unsafe Java deserialization
9.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AK
Apache Kylin · Apache Software Foundation
4..0.0 through 5.0.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-64610
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-64610
lists.apache.org
https://lists.apache.org/thread.html/5jwj20t50wc6x9pw0zmlj8tzfl37dpry
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/10/16/3
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