EUVD-2026-20528
GHSA-4c73-92cw-x6vq
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Lifecycle Timeline
3DescriptionNVD
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).
AnalysisAI
Authenticated Kibana users with Fleet management privileges can read Elasticsearch index data beyond their intended RBAC permissions through debug route handlers in the Fleet plugin. This scope bypass affects Elastic Kibana deployments where users hold Fleet sub-feature privileges (agent policies, settings management). …
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RemediationAI
Within 24 hours: Identify and document all Kibana users granted Fleet sub-feature privileges (agent policies, settings management) using role audit logs. Within 7 days: Review access logs for suspicious data queries from Fleet-privileged accounts and disable unnecessary Fleet privileges pending patch availability; implement network segmentation to restrict Kibana access to only required personnel. …
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External POC / Exploit Code
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