CVE-2026-26939
Medium
Description
Missing Authorization (CWE-862) in Kibana’s server-side Detection Rule Management can lead to Unauthorized Endpoint Response Action Configuration (host isolation, process termination, and process suspension) via CAPEC-1 (Accessing Functionality Not Properly Constrained by ACLs). This requires an authenticated attacker with rule management privileges.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Elastic Kibana
PublishedMar 19, 2026
First seenMar 19, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- elastic kibana8.19.12, 9.2.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic kibana | 8.0.0 ≤ v < 8.19.12, 9.0.0 ≤ v < 9.2.6, 9.3.0 | 8.19.12, 9.2.6 |
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