CVE-2023-35933

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    CVE-2023-35933

    Published: 26 Jun 2023Last Modified: 12 Aug 2026

    Summary: OpenFGA denial of service die to circular relationship

    Details: 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.

    References: https://openfga.dev/api/service#/Relationship%20Queries/Check, https://openfga.dev/api/service#/Relationship%20Queries/ListObjects, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35933.json, https://github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8j, https://nvd.nist.gov/vuln/detail/CVE-2023-35933, https://github.com/openfga/openfga/commit/087ce392595f3c319ab3028b5089118ea4063452

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -a989901713e12401af7d2b02c36235eebf24f933

    Affected versions

    v1.1.0

    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
    CVE-2023-35933 | CVE-DB