CVE-2026-1338

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Source
https://cve.org/CVERecord?id=CVE-2026-1338
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1338.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-1338
Aliases
Downstream
Published
2026-05-14T05:36:42Z
Modified
2026-08-27T11:31:03Z
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 CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.

Database specific 
{
    "cna_assigner": "GitLab",
    "cwe_ids": [
        "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1338.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "17.10"
                },
                {
                    "fixed": "18.9.7"
                },
                {
                    "introduced": "18.10"
                },
                {
                    "fixed": "18.10.6"
                },
                {
                    "introduced": "18.11"
                },
                {
                    "fixed": "18.11.3"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "17.10"
                },
                {
                    "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
Introduced
ef8041bebeac4b902db1666c582a3de1d495ae39
Fixed
d2242c5752a152db3c281d8a9d1e7f248e1654a9
Introduced
57c08314af5bc8f317b1967330f92ed029e2c628
Fixed
f80804c4e73fb0404af24e88ffb5246c0aeeda40
Introduced
1060c7b0ff78be7c8abe8fd6d23dcb1ca493fd78
Fixed
daa4145c8330213081c57260b569539e3b157b87
Database specific
Show details 
{
    "cpe": [
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "17.10.0"
        },
        {
            "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-2026-1338.json"