CVE-2026-56145

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

July 21, 2026

Last Modified

July 22, 2026

CWE ID

CWE-400

Source

NVD

Vendor

Elastic

Product

Elasticsearch

External References

https://discuss.elastic.co/t/elasticsearch-8-19-18-9-3-7-9-4-4-security-update-esa-2026-57/388556

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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