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CVE-2026-4498
Published:April 08, 2026
Updated:May 16, 2026
Execution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana user with Fleet sub-feature privileges (such as agents, agent policies, and settings management).
Affected Packages
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.0.0 <v9.2.8
Fix Suggestion:
Update to version v9.2.8
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.3.0 <v9.3.3
Fix Suggestion:
Update to version v9.3.3
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v8.0.0 <v8.19.14
Fix Suggestion:
Update to version v8.19.14
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CVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Execution with Unnecessary Privileges
EPSS
Base Score:
0.06