CVE-2026-72653 Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service
An authenticated user can cause a denial of service in Kibana by submitting a malformed payload that exhausts system 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-2026-72653?
CVE-2026-72653 is a medium-severity denial of service vulnerability in Elastic Kibana, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user who is authorized to manage maintenance windows could submit a specially crafted, malformed payload that causes the Kibana process to consume excessive resources. Kibana becomes unresponsive for all users and does not recover without manual intervention.
Weakness: CWE-770
Which versions are affected by CVE-2026-72653?
2 open source packages ship an affected version, including kibana and elk. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
kibana Bitnami | From 8.12.0 | 8.19.19, 9.3.8, 9.4.4 |
elk Bitnami | From 8.12.0 | 8.19.19, 9.3.8, 9.4.4 |
Products include Elastic Kibana.
How do I fix CVE-2026-72653?
Upgrade kibana to a fixed version for your release line: 8.19.19, 9.3.8 or 9.4.4.
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-2026-72653 being exploited?
There is no known exploitation of CVE-2026-72653 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as BIT-elk-2026-72653, BIT-kibana-2026-72653, GHSA-5642-j255-rj32, MINI-6827-wrxv-fcfg, MINI-6c92-qpgq-cgwp, MINI-72rv-gxvv-fc9g and 4 more.