CVE-2026-78606: CWE-863 Incorrect Authorization in Elastic Kibana
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.
CVE-2026-78606: CWE-863 Incorrect Authorization in Elastic Kibana
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.
CVSS v3.1
Score 4.2medium
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- elastic
- Date Reserved
- 2026-08-24T21:13:52.890Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a972608acd9273b491915ff
Added to database: 09/01/2026, 19:22:48 UTC
Last updated: 09/01/2026, 22:59:54 UTC
Views: 6
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