CVE-2025-9624
November 25, 2025
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.
Affected Packages
https://github.com/opensearch-project/OpenSearch.git (GITHUB):
Affected version(s) >=3.0.0 <3.3.0Fix Suggestion:
Update to version 3.3.0https://github.com/opensearch-project/OpenSearch.git (GITHUB):
Affected version(s) >=1.0.0-alpha1 <2.19.4Fix Suggestion:
Update to version 2.19.4org.opensearch:opensearch (JAVA):
Affected version(s) >=3.0.0 <3.3.0Fix Suggestion:
Update to version 3.3.0org.opensearch:opensearch (JAVA):
Affected version(s) >=1.0.0 <2.19.4Fix Suggestion:
Update to version 2.19.4org.opensearch:opensearch-common (JAVA):
Affected version(s) >=2.6.0 <2.19.4Fix Suggestion:
Update to version 2.19.4org.opensearch:opensearch-common (JAVA):
Affected version(s) >=3.0.0 <3.3.0Fix Suggestion:
Update to version 3.3.0Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (9)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
HIGH
CVSS v3
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Recursion
EPSS
Base Score:
0.06
