High severity · published Oct 16, 2026
CVE-2026-108743
Apache Kylin: spark job OS command injection
8.8
CVSS
1.4%
EPSS
No
On KEV
Description
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') 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 4.0.4 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:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% 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
4.0.4 through 5.0.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108743
lists.apache.org
https://lists.apache.org/thread.html/6x2v755lrxf72xcrzjq4t2b1sd56ywb7
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/10/16/12
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