CVE-2023-3920

    Dashboard / Vulnerabilities / CVE-2023-3920

    CVE-2023-3920

    Published: 29 Sept 2023Last Modified: 23 Aug 2026

    Summary: Incorrect Authorization in GitLab

    Details: An issue has been discovered in GitLab affecting all versions starting from 11.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that a maintainer to create a fork relationship between existing projects contrary to the documentation.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3920.json, https://nvd.nist.gov/vuln/detail/CVE-2023-3920, https://gitlab.com/gitlab-org/gitlab/-/issues/417481, https://hackerone.com/reports/2058121, git://[email protected]:gitlab-org/gitlab.git

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 44dbeccbe1039cb1d42d8502655ffb0bce3ae803
    Fixed -7fc27fe692abccaed7e2e0ebfea2aadf5140593f

    Affected versions

    16.4.0

    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-2023-3920 | CVE-DB