Critical severity · published Oct 16, 2026
CVE-2026-63619
Apache Kylin: Missing authorization and path-confinement on system meta dump
9.1
CVSS
0.3%
EPSS
No
On KEV
Description
Missing Authorization vulnerability in Apache Kylin. A backend metadata dump API misses the enough authorization and the path-confinement. 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 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:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% 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-2026-63619
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63619
lists.apache.org
https://lists.apache.org/thread.html/p3rzz43h1kqc55wjshxmx2dbbmx76qrg
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/10/16/2
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