CVE-2026-78599
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 internal resources via Path Traversal (CAPEC-126). A low-privileged user holding Fleet write access could cause a subsequent administrative delete action to act on unintended internal resources. Exploitation requires an administrator to interact with the affected Fleet interface.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Elastic Kibana
PublishedSep 2, 2026
First seenSep 2, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- elastic kibana8.19.18, 9.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic kibana | 8.0.0 ≤ v < 8.19.18, 9.0.0 ≤ v < 9.4.3 | 8.19.18, 9.4.3 |
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