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    CVE-2026-83497

    Unrestricted deserialization of untrusted data in the cursor pagination component in the OpenSearch SQL plugin allows a remote authenticated user with basic read/search permissions to execute arbitrary code on the server by sending a crafted cursor parameter to the plugins/sql endpoint.

    Published:Aug 31, 2026
    Last Modified:Sep 1, 2026
    EPS:Aug 31, 2026
    EPSS Score:0.00521
    CVSS Score:8.8

    Affected Products

    Vendor
    Amazon
    Product
    Amazon Opensearch Service
    Vendor
    Aws
    Product
    Amazon Opensearch Service
    Vendor
    Opensearch
    Product
    Opensearch

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    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