CVE-2026-78584

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

Published: Sep 2, 2026Updated: Sep 3, 2026 Sources: CVE List NVDCWE-204

4.3MEDIUM

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-204

Affected Products

Elastic

commercial·USaka elasticsearch co., elastic.co

Kibana

Databases

and 1 more affected products View all →

Exploitability

Official Patch Available

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References

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

discuss.elastic.co

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