CVE-2026-78603
Missing Authorization in Kibana Leading to Unauthorized Disclosure of Fleet Deployment Metadata
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding minimal Elasticsearch privileges could bypass Kibana feature authorization and space access controls, resulting in the unauthorized disclosure of Fleet deployment metadata from the default Kibana space.
| CWE | CWE-862 |
| Vendor | elastic |
| Product | kibana |
| Published | Sep 1, 2026 |
| Last Updated | Sep 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
Elastic / Kibana
9.0.0 ≤ 9.4.5 9.5.0