CVE-2026-72650 Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure
An authenticated user can bypass ACLs to read alerting rule telemetry from unauthorized Kibana spaces, exposing sensitive execution data.
- 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-2026-72650?
CVE-2026-72650 is a medium-severity missing authorization 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
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user who is authorized to read alerting rules in a single Kibana space could retrieve alerting rule execution telemetry that belongs to spaces the user is not authorized to access. The disclosed telemetry includes rule identifiers, rule names, space identifiers, execution outcomes, timestamps, and execution counters.
Weakness: CWE-639
Which versions are affected by CVE-2026-72650?
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 | 8.19.20, 9.4.5 |
elk Bitnami | From 8.0.0 | 8.19.20, 9.4.5 |
Products include Elastic Kibana.
How do I fix CVE-2026-72650?
Upgrade kibana to a fixed version for your release line: 8.19.20 or 9.4.5.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-72650 being exploited?
There is no known exploitation of CVE-2026-72650 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as BIT-elk-2026-72650, BIT-kibana-2026-72650, GHSA-hcx4-m35m-r7xm, MINI-2q7v-j2xm-3w42, MINI-42v8-8p35-j8fh, MINI-g6x3-6xr6-w97v and 4 more.