Advisoriesby IbisElasticCVE-2026-56151
Elastic Kibana: improper input validation
No fix yet
Improper Input Validation (CWE-20) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user can submit a specially crafted Fleet policy input that is not correctly validated, which can render Fleet agent, server, and policy management functionality unavailable.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Kibana Product | >= 9.0.0, <= 9.3.5 | No fix yet |
| >= 8.0.0, <= 8.19.16 | No fix yet | |
| >= 9.4.0, <= 9.4.2 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-20