CVE-2026-78591
Medium
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22) in the Kibana Fleet feature can lead to the unauthorized deletion of resources via Path Traversal (CAPEC-126). A low-privileged user could cause a subsequent action taken by a higher-privileged user in the Fleet administration interface to act on an unintended target, resulting in the deletion of resources including accounts with elevated privileges.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Elastic Kibana
PublishedSep 2, 2026
First seenSep 2, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- elastic kibana8.19.17, 9.3.6, 9.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic kibana | 8.0.0 ≤ v < 8.19.17, 9.0.0 ≤ v < 9.3.6, 9.4.0 ≤ v < 9.4.3 | 8.19.17, 9.3.6, 9.4.3 |
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