CVE-2026-63619

EUVD-2026-102852
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 33.96%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apachekylin
4..0.0 ≤
𝑥
≤ 5.0.4
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread.html/p3rzz43h1kqc55wjshxmx2dbbmx76qrg
http://www.openwall.com/lists/oss-security/2026/10/16/2