CVE-2026-18433

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Source
https://cve.org/CVERecord?id=CVE-2026-18433
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18433.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-18433
Aliases
Downstream
Published
2026-08-12T19:04:26Z
Modified
2026-08-27T11:30:40Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Incorrect Authorization in GitLab
Details

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to read policy configuration belonging to a namespace they were not authorized to access, due to incorrect authorization checks in a GraphQL query.

Database specific 
{
    "cna_assigner": "GitLab",
    "cwe_ids": [
        "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18433.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.4"
                },
                {
                    "introduced": "19.2"
                },
                {
                    "fixed": "19.2.2"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.4"
                },
                {
                    "introduced": "19.2"
                },
                {
                    "fixed": "19.2.2"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
67581074a0aab1f53cdafe7eead5f5d07f3afec8
Fixed
d1aece4d7ef6a367187e7ce89099472ca7f13cda
Introduced
68485a1eb627c9a992f266263157327649822db3
Fixed
b6b3c0efcdab8c89a87057f59f18d2928757370d
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
    "extracted_events": [
        {
            "introduced": "19.1.0"
        },
        {
            "fixed": "19.1.4"
        },
        {
            "introduced": "19.2.0"
        },
        {
            "fixed": "19.2.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v19.*
v19.1.0-ee
v19.2.0-ee

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18433.json"