CVE-2026-33460 Incorrect Authorization in Kibana Fleet Leading to Information Disclosure

Medium 4.3 Published Updated

A user with Fleet agent management privileges can access unauthorized Fleet Server policy details from other Kibana spaces via an internal endpoint.

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-2026-33460?

CVE-2026-33460 is a medium-severity missing authorization vulnerability in Elastic Kibana, published on 8 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Incorrect Authorization (CWE-863) in Kibana can lead to cross-space information disclosure via Privilege Abuse (CAPEC-122). A user with Fleet agent management privileges in one Kibana space can retrieve Fleet Server policy details from other spaces through an internal enrollment endpoint. The endpoint bypasses space-scoped access controls by using an unscoped internal client, returning operational identifiers, policy names, management state, and infrastructure linkage details from spaces the user is not authorized to access.

Weakness: CWE-863

Which versions are affected by CVE-2026-33460?

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

PackageAffectedFixed in
kibana BitnamiFrom 8.0.08.19.14, 9.2.8, 9.3.3
elk BitnamiFrom 8.0.08.19.14, 9.2.8, 9.3.3

Products include Elastic Kibana.

How do I fix CVE-2026-33460?

Upgrade kibana to a fixed version for your release line: 8.19.14, 9.2.8 or 9.3.3.

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

Is CVE-2026-33460 being exploited?

There is no known exploitation of CVE-2026-33460 in the wild and no public exploit code.

All Elastic Kibana vulnerabilities

Sources

Also known as BIT-elk-2026-33460, BIT-kibana-2026-33460, GHSA-998c-7hf5-g249, MINI-3v6j-2wv4-f7v5, MINI-5gg2-q2v4-rg3g, MINI-f45w-5xvh-vv7r and 3 more.

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