CVE-2026-78606
MEDIUM
NVD
CVSS Score
4.2
Severity
MEDIUM
Published
Sep 01, 2026
Vendor
unknown
Description
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.