GHSA-cf98-j28v-49v6

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    GHSA-cf98-j28v-49v6

    Published: 18 Jun 2026Last Modified: 21 Jul 2026

    Summary: OpenFGA Improper Policy Enforcement

    Details: ## Description In OpenFGA, when MySQL is being used as the datastore, two distinct check requests can return the same response. ## Preconditions This applies if the following preconditions are met: 1. You run OpenFGA with MySQL as the datastore 2. Your authorization decisions rely on case-sensitive user strings. ## Fix Upgrade to OpenFGA 1.18.0 or greater. ## Acknowledgements OpenFGA would like to thank @sahajamoth for the detailed report.

    References: https://github.com/openfga/openfga/security/advisories/GHSA-cf98-j28v-49v6, https://nvd.nist.gov/vuln/detail/CVE-2026-55170, https://github.com/openfga/helm-charts/commit/96d5517a2693ff5def451dee7d6b9d1baeb281f8, https://github.com/openfga/openfga/commit/a2e0dbefc3e01a95c785f81a3563bc6571b08b11, https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9, https://github.com/openfga/openfga, https://github.com/openfga/openfga/releases/tag/v1.18.0

    Affected packages

    Package

    Name: github.com/openfga/openfga

    Purl: pkg:golang/github.com/openfga/openfga

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.18.0

    Affected versions

    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