CVE-2026-72662 Missing authorization in Kibana
Authenticated users with Timeline privileges can bypass authorization to read, modify, and delete other users' draft Timeline objects in Kibana.
- 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-2026-72662?
CVE-2026-72662 is a medium-severity missing authorization 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
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user granted the Timeline feature privilege in a Kibana space could enumerate, read, modify, and delete draft Timeline objects belonging to other users in the same space. Read access is sufficient for enumeration and disclosure; the Timeline write privilege is required for modification and deletion.
Weakness: CWE-639
Which versions are affected by CVE-2026-72662?
2 open source packages ship an affected version, including kibana and elk.
| Package | Affected | Fixed in |
|---|---|---|
kibana Bitnami | From 8.0.0 | 8.19.22, 9.4.6 |
elk Bitnami | From 8.0.0 | 8.19.22, 9.4.6 |
How do I fix CVE-2026-72662?
Upgrade kibana to a fixed version for your release line: 8.19.22 or 9.4.6.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-72662 being exploited?
There is no known exploitation of CVE-2026-72662 in the wild and no public exploit code.
Sources
Also known as BIT-elk-2026-72662, BIT-kibana-2026-72662, GHSA-hgww-7pvf-x93v, MINI-24wx-3qhx-f3rr, MINI-382j-gxxx-5pfv, MINI-9jqv-rgj7-pwpr and 4 more.