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CVE-2026-56145

MEDIUM
6.5
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-56145
State
PUBLISHED
Assigner
elastic
Reserved
2026-06-19 11:01 UTC
Published
2026-07-21 20:04 UTC
Last updated
2026-07-21 20:04 UTC
Primary CWE
CWE-400
CWE-400 Uncontrolled Resource Consumption
Vendor / Product
Elastic / Elasticsearch
Sources
cve.org  ·  NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products (1)
VendorProductPlatformVersions
Elastic Elasticsearch — 9.4.0 ≤ 9.4.3, 8.0.0 ≤ 8.19.17, 9.0.0 ≤ 9.3.6
Weakness (CWE)
CWESourceDescription
CWE-400 cna CWE-400 Uncontrolled Resource Consumption
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.5 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References (1)
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