CVE-2026-33459
Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
12th
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with access to the automatic import feature can submit specially crafted requests with excessively large input values. When multiple such requests are sent concurrently, the backend services become unstable, resulting in service disruption and deployment unavailability for all users.
| CWE | CWE-400 |
| Vendor | elastic |
| Product | kibana |
| Published | Apr 8, 2026 |
| Last Updated | Apr 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Elastic / Kibana
9.3.0 ≤ 9.3.2 8.15.0 ≤ 8.19.13 9.0.0 ≤ 9.2.7