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    CVE-2026-18952

    Missing input validation in the threat intelligence feed parser in the OpenSearch Security Analytics plugin might allow an authenticated remote user to perform server-side request forgery and read local files via a crafted URL parameter to the threat intel source configuration endpoint.

    Published:Aug 12, 2026
    Last Modified:Aug 21, 2026
    EPS:Aug 12, 2026
    EPSS Score:0.0032
    CVSS Score:8.1

    Affected Products

    Vendor
    Amazon
    Product
    Aws Opensearch
    Vendor
    Aws
    Product
    Opensearch
    Vendor
    Github
    Product
    Opensearch

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    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