CVE-2026-56146 — Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure

CVE-2026-56146

Improper Access Control in Kibana Leading to Unauthorized Data Modification and Information Disclosure PUBLISHED

Description (CNA)

Improper Access Control (CWE-284) in Kibana can lead to unauthorized modification of Entity Analytics Watchlist configuration and potential information disclosure. A low-privileged authenticated user with read-only Security Solution access could perform write operations on watchlist data that should require elevated privileges. Under specific deployment conditions, this could also allow such a user to access data beyond their authorized scope.

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 9.4.0 through 9.4.2

CWE

CWE-863

References

https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-58/388557

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.