CVE-2023-1555

    Dashboard / Vulnerabilities / CVE-2023-1555

    CVE-2023-1555

    Published: 1 Sept 2023Last Modified: 11 Sept 2026

    Summary: Missing Authorization in GitLab

    Details: An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A namespace-level banned user can access the API.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1555.json, https://nvd.nist.gov/vuln/detail/CVE-2023-1555, https://gitlab.com/gitlab-org/gitlab/-/issues/398587, https://hackerone.com/reports/1911908, git://[email protected]:gitlab-org/gitlab.git

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- d836c22d87f6f0397b93cc72ce3af27a6dc02d93
    Fixed -075efefa5f88454cb1afda1f0270e91edcb55ed3

    Affected versions

    v16.2.4-ee
    v16.2.3-ee
    v16.2.1-ee
    v16.2.0-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-2023-1555 | CVE-DB