CVE-2026-4498
Execution with Unnecessary Privileges in Kibana Leading to reading index data beyond their direct Elasticsearch RBAC scope
7.7
HIGH
CVSS 3.1
EPSS 0.06%
Description
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).
How to fix CVE-2026-4498
To remediate CVE-2026-4498, upgrade the affected package to a fixed version below.
- —upgrade to 8.19.14 or later
- —upgrade to 8.19.14 or later
Is CVE-2026-4498 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 8.0.0, < 8.19.14, >= 9.0.0, < 9.2.8, >= 9.3.0, < 9.3.3
- >= 8.0.0, < 8.19.14, >= 9.0.0, < 9.2.8, >= 9.3.0, < 9.3.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |