CVE-2026-4498

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).

PUBLISHED Reserved 2026-03-20 | Published 2026-04-08 | Updated 2026-04-09 | Assigner elastic

Problem types

CWE-250 Execution with Unnecessary Privileges

Product status

References

discuss.elastic.co/...3-3-security-update-esa-2026-21/385811

cve.org (CVE-2026-4498)

nvd.nist.gov (CVE-2026-4498)

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