CVE-2026-78591
Published:September 02, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.0.0 <v9.3.6Fix Suggestion:
Update to version v9.3.6https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.4.0 <v9.4.3Fix Suggestion:
Update to version v9.4.3https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v8.0.0 <v8.19.17Fix Suggestion:
Update to version v8.19.17Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS
Base Score:
0.23