Vulnerability 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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Kibana | >= 8.0.0, < 8.19.14 |
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-4498?
CVE-2026-4498 is a vulnerability with a CVSS score of 7.7 (HIGH). 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). ...
How severe is CVE-2026-4498?
CVE-2026-4498 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4498?
Check the references section above for vendor advisories and patch information. Affected products include: Elastic Kibana.