CVE-2025-12506

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.5 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to create a repository where the content displayed in the web interface differed from the content available for download, due to improper handling of Git reference name resolution.

Database specific

{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "16.5"
                },
                {
                    "fixed": "18.11.7"
                },
                {
                    "introduced": "19.0"
                },
                {
                    "fixed": "19.0.4"
                },
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.2"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "16.5"
                },
                {
                    "fixed": "18.11.7"
                },
                {
                    "introduced": "19.0"
                },
                {
                    "fixed": "19.0.4"
                },
                {
                    "introduced": "19.1"
                },
                {
                    "fixed": "19.1.2"
                }
            ],
            "source": "DESCRIPTION"
        }
    ],
    "cwe_ids": [
        "CWE-706"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12506.json",
    "cna_assigner": "GitLab"
}

References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type

GIT

Repo

https://gitlab.com/gitlab-org/gitlab

Events

Introduced

fc87c9d4cca1536abcf902b4128f5c2004d87162

Fixed

2a5d30c85c9dce93e4d6beebf3c5d83f4519441a

Introduced

f07e3c5b3c8128be5db112e5b2b618fe31ea1b35

Fixed

9f0367e7210ee8f91aa78250f320799b155a9655

Introduced

67581074a0aab1f53cdafe7eead5f5d07f3afec8

Fixed

0aff550588c1b76cdf7f53489ac5cd26ca6528a8

Database specific

Show details

{
    "cpe": [
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "16.5.0"
        },
        {
            "fixed": "18.11.7"
        },
        {
            "introduced": "19.0.0"
        },
        {
            "fixed": "19.0.4"
        },
        {
            "introduced": "19.1.0"
        },
        {
            "fixed": "19.1.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v19.*

v19.0.0-ee

v19.1.0-ee

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12506.json"