ElasticCVE-2026-78583
Elastic Kibana: improper authorization
High8.1CVE-2026-78583 · Published Sep 3, 2026 · updated Sep 8, 2026
Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Input Data Manipulation (CAPEC-153). Elasticsearch cluster privilege declarations originating from integration packages were not validated before being used to mint credentials for enrolled Elastic Agents. A user holding Fleet management privileges could therefore cause every Elastic Agent on a targeted policy to receive a credential carrying arbitrarily elevated Elasticsearch cluster privileges, up to and including full cluster administration.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Kibana Product | >= 8.0.0, <= 8.19.20 | No fix yet |
| >= 9.0.0, <= 9.4.5 | No fix yet | |
| >= 9.5.0, <= 9.5.2 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-863
More Elastic advisories
All Elastic| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 3 | Elastic Kibana: improper authorization | Medium4.3 | No fix yet |
| Sep 3 | Elastic Kibana: improper authorization | Medium6.5 | No fix yet |
| Sep 3 | Elastic Kibana: improper authorization | High8.1 | No fix yet |
| Sep 3 | Elastic Kibana: code injection | Medium4.3 | No fix yet |
| Sep 3 | Elastic Kibana: missing authorization | Medium4.3 | No fix yet |
| Sep 3 | Elastic Kibana: missing authorization | Medium4.3 | No fix yet |