CVE-2025-9624 HIGH

CVE-2025-9624: OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS

Vendor Opensearch
Product OpenSearch
Weakness CWE-674
Published November 25, 2025
Last update December 15, 2025
View on NVD All CVEs

CVSS base score

8.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 25, 2025 CVE published
December 15, 2025 Record updated