CVE-2026-94400 Uncontrolled Resource Consumption in Kibana Leading to denial of service
Attackers can cause denial of service in Kibana through uncontrolled resource consumption via excessive allocation.
- 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-2026-94400?
CVE-2026-94400 is a medium-severity denial of service vulnerability in Elastic Kibana, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead denial of service via Excessive Allocation (CAPEC-130)
Weakness: CWE-400
Which versions are affected by CVE-2026-94400?
2 open source packages ship an affected version, including kibana and elk. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
kibana Bitnami | From 8.0.0 | 8.19.22, 9.4.7, 9.5.3 |
elk Bitnami | From 8.0.0 | 8.19.22, 9.4.7, 9.5.3 |
Products include Elastic Kibana.
How do I fix CVE-2026-94400?
Upgrade kibana to a fixed version for your release line: 8.19.22, 9.4.7 or 9.5.3.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-94400 being exploited?
There is no known exploitation of CVE-2026-94400 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as BIT-elk-2026-94400, BIT-kibana-2026-94400, GHSA-95p2-xgxw-hm57, MINI-278j-3hgm-w7fj, MINI-crv3-8h79-3xxc, MINI-cwgw-w23h-6x3w and 5 more.