CVE-2026-78595
Medium
Description
Missing Authorization in Kibana Leading to Information Disclosure / Missing Authorization (CWE-862) in the Kibana Fleet feature can lead to information disclosure via Privilege Abuse (CAPEC-122). An authenticated user holding read-level Fleet agent privileges in one Kibana space could enumerate agent metadata and access diagnostic content belonging to agents enrolled in other Kibana spaces.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Kibana
PublishedSep 3, 2026
First seenSep 3, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Elastic Kibana | 9.1.0 ≤ v ≤ 9.4.5, 9.5.0 ≤ v ≤ 9.5.2 | — |
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