CVE-2026-5309

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Source
https://cve.org/CVERecord?id=CVE-2026-5309
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5309.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-5309
Aliases
Published
2026-06-25T04:34:29.038Z
Modified
2026-08-17T03:36:23.506307511Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user to read or modify another group's virtual registry cleanup policy settings without authorization.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "18.6"
                },
                {
                    "fixed": "18.11.6"
                },
                {
                    "introduced": "19.0"
                },
                {
                    "fixed": "19.0.3"
                },
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.1"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "18.6"
                },
                {
                    "fixed": "18.11.6"
                },
                {
                    "introduced": "19.0"
                },
                {
                    "fixed": "19.0.3"
                },
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.1"
                }
            ],
            "source": "DESCRIPTION"
        }
    ],
    "cna_assigner": "GitLab",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5309.json",
    "cwe_ids": [
        "CWE-639"
    ]
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
5927b4ad8ecf8b257f14761954d6e25858a3dc33
Fixed
0626dbe45d0ea9a431f494135ee4636d149eb523
Introduced
f07e3c5b3c8128be5db112e5b2b618fe31ea1b35
Fixed
e1892478cfb7980c694d13e0e5e15e129aa3d908
Introduced
67581074a0aab1f53cdafe7eead5f5d07f3afec8
Last affected
67581074a0aab1f53cdafe7eead5f5d07f3afec8
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "18.6.0"
        },
        {
            "fixed": "18.11.6"
        },
        {
            "introduced": "19.0.0"
        },
        {
            "fixed": "19.0.3"
        },
        {
            "introduced": "19.1.0"
        },
        {
            "last_affected": "19.1.0"
        }
    ],
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ],
    "cpe": [
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
        "cpe:2.3:a:gitlab:gitlab:19.1.0:*:*:*:enterprise:*:*:*"
    ]
}

Affected versions

19.*
19.1.0
v19.*
v19.0.0-ee
v19.1.0-ee

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5309.json"