CVE-2026-108709CWE-287

CVE-2026-108709

Critical · published October 17, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
51.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00663 · 51.1th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-10-17T00:17Z
References (2)
https://lists.apache.org/thread.html/okkvcvoj1007f6cxhwp9v6j6t4ynfnwb · [email protected]http://www.openwall.com/lists/oss-security/2026/10/16/11 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 16 OCT 19:38Z
    Apache Kylin: Unauthenticated Metadata Broadcast (inside in-house network)
    cvelistv5
  • 16 OCT 19:38Z
    Apache Kylin: Unauthenticated Metadata Broadcast (inside in-house network)
    cvelistv5