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    CVE-2025-9624

    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:Nov 25, 2025
    Last Modified:Dec 15, 2025
    EPS:Nov 25, 2025
    EPSS Score:0.00044
    CVSS Score:7.5

    Affected Products

    Vendor
    Amazon
    Product
    Opensearch
    Vendor
    Opensearch
    Product
    Opensearch

    Exploits

    https://fluidattacks.com/advisories/chick

    Common Weakness Enumeration

    CWE-674 Uncontrolled Recursion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads

    Related CVEs

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    CVE-2022-41917 (CVSS 4.3) — OpenSearch is a community-driven, open source fork of Elasticsearch and Kibana. OpenSearch allows users to spe…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High