Information Disclosure Vulnerability in Kibana by Elastic
CVE-2026-78584

4.3MEDIUM

Key Information:

Vendor

Elastic
Status
Kibana
Vendor
CVE Published:
2 September 2026

What is CVE-2026-78584?

An observable response discrepancy in the Osquery feature of Kibana allows authenticated users with live-query privileges to determine the existence of scheduled query identifiers in unauthorized Kibana spaces. This could potentially lead to unauthorized information disclosure, exposing sensitive data within affected instances.

Affected Version(s)

Kibana 9.4.0 <= 9.4.3

References

https://discuss.elastic.co/t/kibana-9-4-4-security-update...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.