CVE-2026-56145
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 Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user with permission to execute EQL sequence queries against an index they control can send a specially crafted query that triggers excessive memory consumption, causing the Elasticsearch node to crash.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Elastic | Elasticsearch | 9.4.0 <= 9.4.3 | affected |
| Elastic | Elasticsearch | 8.0.0 <= 8.19.17 | affected |
| Elastic | Elasticsearch | 9.0.0 <= 9.3.6 | 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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