GHSA-46c8-635v-68r2

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    GHSA-46c8-635v-68r2

    Published: 17 Apr 2024Last Modified: 10 Sept 2026
    Aliases:
    CVE-2023-6544

    Summary: Keycloak Authorization Bypass vulnerability

    Details: Due to a permissive regular expression hardcoded for filtering allowed hosts to register a dynamic client, a malicious user with enough information about the environment could benefit and jeopardize an environment with this specific Dynamic Client Registration with TrustedDomain configuration previously unauthorized. #### Acknowledgements: Special thanks to Bastian Kanbach for reporting this issue and helping us improve our security.

    References: https://github.com/keycloak/keycloak/security/advisories/GHSA-46c8-635v-68r2, https://nvd.nist.gov/vuln/detail/CVE-2023-6544, https://access.redhat.com/errata/RHSA-2024:1860, https://access.redhat.com/errata/RHSA-2024:1861, https://access.redhat.com/errata/RHSA-2024:1862, https://access.redhat.com/errata/RHSA-2024:1864, https://access.redhat.com/errata/RHSA-2024:1866, https://access.redhat.com/errata/RHSA-2024:1867, https://access.redhat.com/errata/RHSA-2024:1868, https://access.redhat.com/security/cve/CVE-2023-6544, https://bugzilla.redhat.com/show_bug.cgi?id=2253116, https://github.com/keycloak/keycloak

    Affected packages

    Package

    Name: org.keycloak:keycloak-services

    Purl: pkg:maven/org.keycloak/keycloak-services

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -22.0.10

    Affected versions

    1.0-alpha-1

    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
    GHSA-46c8-635v-68r2 | CVE-DB