CVE-2025-9624

A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs. This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://fluidattacks.com/advisories/chick	Exploit Third Party Advisory
https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4
https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0

Configurations

Configuration 1 (hide)

cpe:2.3:a:amazon:opensearch:*:*:*:*:*:*:*:*

History

18 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad en OpenSearch permite a los atacantes causar denegación de servicio (DoS) al enviar entradas 'query_string' complejas. Este problema afecta a todas las versiones de OpenSearch anteriores a la 3.2.0.

Information

Published : 2025-11-25 20:16

Updated : 2026-10-18 20:10

NVD link : CVE-2025-9624

Mitre link : CVE-2025-9624

CVE.ORG link : CVE-2025-9624

JSON object : View

Products Affected

amazon

opensearch

CWE

CWE-674

Uncontrolled Recursion

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