CVE-2023-4658

    Dashboard / Vulnerabilities / CVE-2023-4658

    CVE-2023-4658

    Published: 1 Dec 2023Last Modified: 11 Sept 2026

    Summary: Incorrect Authorization in GitLab

    Details: An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4658.json, https://nvd.nist.gov/vuln/detail/CVE-2023-4658, https://gitlab.com/gitlab-org/gitlab/-/issues/423835, https://hackerone.com/reports/2104540, git://[email protected]:gitlab-org/gitlab.git

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 294482f38388542b43b908dcb427759544a7486f
    Fixed -7de773390b4ddc765d102467a62e607aa9cfe1aa

    Affected versions

    v16.6.0-ee

    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-2023-4658 | CVE-DB