CVE-2026-78596
Medium
Description
Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.
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 | 8.18.3 ≤ v ≤ 8.19.20, 9.0.3 ≤ v ≤ 9.4.5, 9.5.0 ≤ v ≤ 9.5.2 | — |
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