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    CVE-2023-35933

    OPenFGA is an open source authorization/permission engine built for developers. OpenFGA versions v1.1.0 and prior are vulnerable to a DoS attack when Check and ListObjects calls are executed against authorization models that contain circular relationship definitions. Users are affected by this vulnerability if they are using OpenFGA v1.1.0 or earlier, and if you are executing `Check` or `ListObjects` calls against a vulnerable authorization model. Users are advised to upgrade to version 1.1.1. There are no known workarounds for this vulnerability. Users that do not have circular relationships in their models are not affected.

    Published:Jun 26, 2023
    Last Modified:Dec 3, 2024
    EPS:Jun 26, 2023
    EPSS Score:0.00226
    CVSS Score:5.9

    Affected Products

    Vendor
    Openfga
    Product
    Openfga

    Exploits

    https://openfga.dev/api/service#/Relationship%20Queries/Checkhttps://openfga.dev/api/service#/Relationship%20Queries/ListObjectshttps://openfga.dev/api/service#/Relationship%20Queries/Checkhttps://openfga.dev/api/service#/Relationship%20Queries/ListObjects

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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