CVE-2026-42400
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user can send a specially crafted compressed request payload that is processed prior to authorization checks, causing excessive memory and CPU resource consumption that can result in a Kibana instance becoming unresponsive or crashing.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Elastic | Kibana | 9.4.0 <= 9.4.1 | affected |
| Elastic | Kibana | 9.0.0 <= 9.3.4 | affected |
| Elastic | Kibana | 8.0.0 <= 8.19.15 | affected |
Weaknesses
- CWE-400: CWE-400 Uncontrolled Resource Consumption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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