« Back to list

CVE-2025-9957

Status: AnalyzedLow (2.7)—

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user with project owner permissions to bypass group fork prevention settings due to improper authorization checks.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Gitlab — Gitlab

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2025-9957",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-9957",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-22T17:33:26.222226Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 2.7,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@gitlab.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "product": "GitLab",
          "versions": [
            {
              "status": "affected",
              "version": "11.2",
              "lessThan": "18.9.6",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "18.10",
              "lessThan": "18.10.4",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "18.11",
              "lessThan": "18.11.1",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-04-22T17:16:33.557",
  "references": [
    {
      "url": "https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/567781",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://hackerone.com/reports/3275222",
      "tags": [
        "Permissions Required"
      ],
      "source": "cve@gitlab.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@gitlab.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user with project owner permissions to bypass group fork prevention settings due to improper authorization checks."
    }
  ],
  "lastModified": "2026-06-17T10:10:09.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9B5F84F8-7A9E-4B0F-81DD-71535EB1516C",
              "versionEndExcluding": "18.9.6",
              "versionStartIncluding": "11.2.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2E02C3EE-D0C8-4AC3-8095-7F25A2DB5F1D",
              "versionEndExcluding": "18.9.6",
              "versionStartIncluding": "11.2.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "98D16D9B-6A45-45F3-934B-3ED95C8371BF",
              "versionEndExcluding": "18.10.4",
              "versionStartIncluding": "18.10.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "58B8096F-9D7B-403D-B685-E9D4FA24F3E5",
              "versionEndExcluding": "18.10.4",
              "versionStartIncluding": "18.10.0"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A6100523-821F-4F41-872D-AC5A60EECC19"
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C78F9577-CDD5-497B-A92F-3C578AC6709E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@gitlab.com"
}