Unscored severity · published Oct 19, 2026
CVE-2026-108771
Apache Kylin: unauthenticated broadcast API and polymorphic deserialization
–
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% 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-2026-108771
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108771
lists.apache.org
https://lists.apache.org/thread.html/d77s7dh3bxf02l4rjbgb6807g605zskx
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/10/16/16
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