CVE-2026-94397

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-183/390687	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:elastic:elasticsearch::::::::
	cpe:2.3:a:elastic:elasticsearch::::::::
	cpe:2.3:a:elastic:elasticsearch::::::::

History

29 Sep 2026, 20:20

Type	Values Removed	Values Added
First Time		Elastic Elastic elasticsearch
CPE		cpe:2.3:a:elastic:elasticsearch::::::::
References	~~() https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-183/390687 -~~	() https://discuss.elastic.co/t/elasticsearch-8-19-22-9-4-7-9-5-4-security-update-esa-2026-183/390687 - Vendor Advisory

26 Sep 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-26 21:16

Updated : 2026-09-29 20:20

NVD link : CVE-2026-94397

Mitre link : CVE-2026-94397

CVE.ORG link : CVE-2026-94397

JSON object : View

Products Affected

elastic

elasticsearch

CWE

CWE-400

Uncontrolled Resource Consumption

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