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.
Scores
CVSS v3
7.5
EPSS
0.0001
EPSS Percentile
1.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-674
Status
published
Products (2)
amazon/opensearch
< 3.3.0
org.opensearch/opensearch-common
3.0.0 - 3.3.0Maven
Published
Nov 25, 2025
Tracked Since
Feb 18, 2026