CVE-2026-72666
mediumpriority · track · 0EPSS 0.004 · 31 %ileDEEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2824Kibana: Mehrere SchwachstellenDeutsch2026-08-12csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Kibana ausnutzen, um vertrauliche Informationen einschließlich Zugangsdaten offenzulegen, Daten und Konfigurationen zu manipulieren, Berechtigungen zu umgehen und einen Denial of Service zu verursachen.
- BIT-elk-2026-72666Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Query Execution on Managed Hosts2026-08-19vendor · osvUS
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.
- BIT-kibana-2026-72666Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Query Execution on Managed Hosts2026-08-19vendor · osvUS
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.
also known as (5)
Other names and identifiers for this entity.
- CNNVD-2026-30670594cnnvd
- EUVD-2026-58267enisa_euvd
- GHSA-jxv5-g6wh-9v24enisa_euvd
- BIT-elk-2026-72666osv
- BIT-kibana-2026-72666osv
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://discuss.elastic.co/t/kibana-9-4-5-security-update-esa-2026-97/389537cnnvd
- https://www.elastic.co/downloads/kibanaPatchcnnvd
- https://discuss.elastic.co/t/kibana-9-4-5-security-update-esa-2026-97/389537enisa_euvd
- https://discuss.elastic.co/t/kibana-9-4-5-security-update-esa-2026-97/389537Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan