CVE-2026-49092 Unintended Proxy or Intermediary ('Confused Deputy') in Kibana Leading to Unauthorized Information Exposure

Medium 4.3 Published Updated

A confused deputy flaw in Kibana allows lower-privileged users to access unauthorized data by leveraging another user's privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-49092?

CVE-2026-49092 is a medium-severity missing authorization vulnerability in Elastic Kibana, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Unintended Proxy or Intermediary ('Confused Deputy') (CWE-441) in Kibana can lead to unauthorized information exposure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a lower-privileged user can cause data from sources they are not authorized to access to be processed using another user's privileges.

Weakness: CWE-863

Which versions are affected by CVE-2026-49092?

2 open source packages ship an affected version, including kibana and elk. It affects 1 product.

PackageAffectedFixed in
kibana BitnamiFrom 9.4.09.4.3
elk BitnamiFrom 9.4.09.4.3

Products include Elastic Kibana.

How do I fix CVE-2026-49092?

Upgrade kibana to 9.4.3 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-49092 being exploited?

There is no known exploitation of CVE-2026-49092 in the wild and no public exploit code.

All Elastic Kibana vulnerabilities

Sources

Also known as BIT-elk-2026-49092, BIT-kibana-2026-49092, GHSA-2529-45pr-jcrg, MINI-xfpm-g6g8-9245.

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