{"cve":"CVE-2025-9624","nvd":{"published":"2025-11-25T20:16:01.177","modified":"2026-10-18T20:10:00.110","status":"Modified","description":"A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.\n\n\n\nThis issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.","cvss_v4":{"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","score":8.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-674"],"references":["https://fluidattacks.com/advisories/chick","https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4","https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0"],"products":["amazon:opensearch"],"source":"nvd","synced_at":"2026-10-19T22:16:02.354564667+00:00"},"epss":{"cve":"CVE-2025-9624","score":0.00678,"percentile":0.5204,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-mw3v-mmfw-3x2g","url":"https://osv.dev/vulnerability/GHSA-mw3v-mmfw-3x2g","summary":"OpenSearch is vulnerable to DoS via complex query_string inputs","modified":"2026-09-10T03:50:58.598736932Z","packages":[{"ecosystem":"Maven","name":"org.opensearch:opensearch-common","purl":"pkg:maven/org.opensearch/opensearch-common","ranges":[">=3.0.0 <3.3.0"],"fixed":["3.3.0"]},{"ecosystem":"Maven","name":"org.opensearch:opensearch-common","purl":"pkg:maven/org.opensearch/opensearch-common","ranges":["<2.19.4"],"fixed":["2.19.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}