CVE-2026-72666 — Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Query Execution on Managed Hosts

CVE-2026-72666

Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Query Execution on Managed Hosts PUBLISHED

Description (CNA)

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized query execution against Elastic Agents that are assigned to a Kibana space the requesting user has no access to, via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). A user who is authorized to run Osquery live queries in one space can have a query carried out on hosts belonging to another space, resulting in disclosure of information from those hosts to the Osquery results data stream.

Affected (CNA)

Vendor / product	Versions
Elastic / Kibana	affected 9.1.0 through 9.4.4

CWE

CWE-639

References

https://discuss.elastic.co/t/kibana-9-4-5-security-update-esa-2026-97/389537

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.