Advisoriesby IbisElasticCVE-2026-78606
Elastic Kibana: improper authorization
No fix yet
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Kibana Product | >= 8.19.11, <= 8.19.20 | No fix yet |
| >= 9.3.0, <= 9.4.5 | No fix yet | |
| >= 9.5.0, <= 9.5.1 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-863