CVE-2026-49090

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk request that causes sustained high CPU consumption, which can render the affected node unable to process requests.

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-7-17-24-8-15-0-security-update-esa-2026-52	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

25 Oct 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) Consumo Incontrolado de Recursos (CWE-400) en Elasticsearch puede llevar a una denegación de servicio a través de Asignación Excesiva (CAPEC-130). Un usuario autenticado puede enviar una solicitud masiva especialmente diseñada que causa un consumo elevado y sostenido de CPU, lo que puede dejar al nodo afectado incapaz de procesar solicitudes.

Information

Published : 2026-07-01 18:16

Updated : 2026-10-25 17:10

NVD link : CVE-2026-49090

Mitre link : CVE-2026-49090

CVE.ORG link : CVE-2026-49090

JSON object : View

Products Affected

elastic

elasticsearch

CWE

CWE-400

Uncontrolled Resource Consumption

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