Home

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.

PUBLISHED Reserved 2025-08-28 | Published 2025-11-25 | Updated 2025-12-15 | Assigner Fluid Attacks




HIGH: 8.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Problem types

CWE-674 Uncontrolled Recursion

Product status

Default status
unknown

3.0.0 (custom) before 3.3.0
affected

1.0.0 (custom) before 2.19.4
affected

Credits

Camilo Vera finder

References

fluidattacks.com/advisories/chick third-party-advisory

github.com/opensearch-project/OpenSearch/releases/tag/3.3.0 patch release-notes

github.com/opensearch-project/OpenSearch/releases/tag/2.19.4 patch release-notes

cve.org (CVE-2025-9624)

nvd.nist.gov (CVE-2025-9624)

Download JSON