CVE-2026-4498

High

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).

SeverityHigh
CVSS7.7
Exploit probability—
ProductElastic Kibana
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-250CWE-250

How to fix

Update
  • elastic kibana8.19.14, 9.2.8, 9.3.3 or later

Affected products

ProductAffected versionsFixed in
elastic kibana8.0.0 ≤ v < 8.19.14, 9.0.0 ≤ v < 9.2.8, 9.3.0 ≤ v < 9.3.38.19.14, 9.2.8, 9.3.3

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CVE-2026-4498 · Elastic Kibana · Dark Radar