{
    "id": "CVE-2021-39935",
    "published": "2021-12-13 16:15:09",
    "last_modified": "2026-06-17 04:04:27",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N",
    "cwe": "CWE-918",
    "description": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API",
    "epss_score": "0.35649",
    "epss_percentile": "0.98410",
    "kev": 1,
    "kev_due": "2026-02-24",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:28:28",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-02-24."
    },
    "products": [
        {
            "vendor": "gitlab",
            "product": "gitlab"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-39935",
        "date_added": "2026-02-03",
        "due_date": "2026-02-24",
        "vendor": "GitLab",
        "product": "Community and Enterprise Editions",
        "name": "GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json",
        "https://gitlab.com/gitlab-org/gitlab/-/issues/346187",
        "https://hackerone.com/reports/1236965",
        "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json",
        "https://gitlab.com/gitlab-org/gitlab/-/issues/346187",
        "https://hackerone.com/reports/1236965",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935"
    ]
}