Unintended Proxy or Intermediary in Kibana - CVE-2026-72668

 

Unintended Proxy or Intermediary in Kibana - CVE-2026-72668

Published: September 25, 2026


Vulnerability identifier: #VU152227
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72668
CWE-ID: CWE-441
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to an unintended proxy or intermediary ('confused deputy') in Kibana Agent Builder when a higher-privileged user interacts with an agent edited by a non-administrative user. A remote user can edit a shared agent and create workflows to escalate privileges.

A generative AI connector must be configured for Agent Builder.


Affected software

Kibana

How to mitigate CVE-2026-72668

Install security update from vendor's website.

Kibana - addressed in versions 9.4.7, 9.5.0

External References

Related Security Bulletins