CVE-2026-6063

Source
https://cve.org/CVERecord?id=CVE-2026-6063
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6063.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-6063
Aliases
Downstream
Published
2026-05-14T05:34:12Z
Modified
2026-08-27T11:31:06Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
Authorization Bypass Through User-Controlled Key in GitLab
Details

GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control.

Database specific
{
    "cna_assigner": "GitLab",
    "cwe_ids": [
        "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6063.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "11.10"
                },
                {
                    "fixed": "18.9.7"
                },
                {
                    "introduced": "18.10"
                },
                {
                    "fixed": "18.10.6"
                },
                {
                    "introduced": "18.11"
                },
                {
                    "fixed": "18.11.3"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "11.10"
                },
                {
                    "fixed": "18.9.7"
                },
                {
                    "introduced": "18.10"
                },
                {
                    "fixed": "18.10.6"
                },
                {
                    "introduced": "18.11"
                },
                {
                    "fixed": "18.11.3"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Database specific
Show details
{
    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
    "extracted_events": [
        {
            "introduced": "11.10.0"
        },
        {
            "fixed": "18.9.7"
        },
        {
            "introduced": "18.10.0"
        },
        {
            "fixed": "18.10.6"
        },
        {
            "introduced": "18.11.0"
        },
        {
            "fixed": "18.11.3"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v18.*
v18.10.0-ee
v18.10.2-ee
v18.10.5-ee
v18.11.0-ee
v18.11.2-ee

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6063.json"