by Kastro
Paper/Archive/CVE-2026-108709

CVE-2026-108709

Apache Software Foundation Apache Kylin — Apache Kylin: Unauthenticated Metadata Broadcast (inside in-house network)

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 34.4.344 × 206.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Authentication bypass within in-house network 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.

Affected

ProductAffectedFixed inSource
Apache Kylin4.0.4 – 5.0.4–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorylists.apache.org/thread.html/okkvcvoj1007f6cxhwp9v6j6t4ynfnwbrefopenwall.com/lists/oss-security/2026/10/16/11