CVE-2026-78584 — Observable Response Discrepancy in Kibana Leading to Cross-Space Information Disclosure

CVE-2026-78584

Observable Response Discrepancy in Kibana Leading to Cross-Space Information Disclosure PUBLISHED

Description (CNA)

Observable Response Discrepancy (CWE-204) in the Kibana Osquery feature can lead to information disclosure via Query System for Information (CAPEC-54). An authenticated user holding Osquery live-query privileges could determine whether a scheduled query identifier exists in a Kibana space they are not authorized to access.

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 9.4.0 through 9.4.3

CWE

CWE-204

References

https://discuss.elastic.co/t/kibana-9-4-4-security-update-esa-2026-161/390115

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.