CVE-2026-82293 Incorrect Authorization in Kibana Leading to Unauthorized Resource Consumption
An authenticated user can bypass authorization checks in Kibana's machine learning feature to consume unauthorized cluster resources.
- 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-2026-82293?
CVE-2026-82293 is a medium-severity missing authorization vulnerability in Elastic Kibana, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to unauthorized resource consumption via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user could invoke machine learning functionality beyond their authorization scope, consuming cluster resources they should not be able to reach.
Weakness: CWE-863
Which versions are affected by CVE-2026-82293?
2 open source packages ship an affected version, including kibana and elk.
| Package | Affected | Fixed in |
|---|---|---|
kibana Bitnami | From 8.0.0 | 8.19.21, 9.4.6, 9.5.2 |
elk Bitnami | From 8.0.0 | 8.19.21, 9.4.6, 9.5.2 |
How do I fix CVE-2026-82293?
Upgrade kibana to a fixed version for your release line: 8.19.21, 9.4.6 or 9.5.2.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-82293 being exploited?
There is no known exploitation of CVE-2026-82293 in the wild and no public exploit code.
Sources
Also known as BIT-elk-2026-82293, BIT-kibana-2026-82293, GHSA-5hpp-wj8x-q98g, MINI-4x55-5hh3-vmvf, MINI-cf5c-47x3-297m, MINI-fxh3-m89r-9rhq and 5 more.