CVE-2025-9624

HIGH

OpenSearch <3.3.0 - DoS

Title source: llm

Description

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.

References (3)

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 17.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-674
Status published

Affected Products (2)

amazon/opensearch < 3.3.0
org.opensearch/opensearch-common < 3.3.0Maven

Timeline

Published Nov 25, 2025
Tracked Since Feb 18, 2026