CVE-2026-82298 Incorrect Authorization in Kibana Leading to Denial of Service
Attackers can cause denial of service in Kibana by exploiting incorrect authorization checks, requiring immediate patching for Elastic users.
- 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-2026-82298?
CVE-2026-82298 is a medium-severity missing authorization vulnerability in Elastic Kibana, published on 3 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 Kibana can lead to denial of service via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180).
Weakness: CWE-863
Which versions are affected by CVE-2026-82298?
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, 9.5.3 |
elk Bitnami | From 8.0.0 | 8.19.21, 9.4.6, 9.5.3 |
How do I fix CVE-2026-82298?
Upgrade kibana to a fixed version for your release line: 8.19.21, 9.4.6 or 9.5.3.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-82298 being exploited?
There is no known exploitation of CVE-2026-82298 in the wild and no public exploit code.
Sources
Also known as BIT-elk-2026-82298, BIT-kibana-2026-82298, GHSA-v6w2-j735-4m3p, MINI-328j-jv2f-876q, MINI-3m37-q9wq-q85j, MINI-683x-95cp-xhww and 5 more.