CVE-2026-4498

Execution with Unnecessary Privileges in Kibana Leading to reading index data beyond their direct Elasticsearch RBAC scope

State: Published
Severity: 7.7 High
Published: Apr 8, 2026
Updated: Apr 9, 2026
Reserved: Mar 20, 2026

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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).

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	elastic

Weaknesses

CWE-250 Execution with Unnecessary Privileges

Affected Products

Product	Versions
KibanaElastic	8.0.0 through 8.19.13Affected

References

https://discuss.elastic.co/t/kibana-8-19-14-9-2-8-9-3-3-security-update-esa-2026-21/385811

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