Security advisory

{
  "id": "e9f081908625d23e9484e8e0088504cde30f71a6fb3fa4fcd55531c8895ce286",
  "url": "https://osv.dev/vulnerability/CVE-2019-15731",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-15731",
    "summary": "An issue was discovered in GitLab Community and Enterprise Edition 12.0 through 12.2.1. Non-members were able to comment on merge requests despite the repository being set to allow only project members to do so.",
    "evidence": "osv:CVE-2019-15731",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-15731",
      "aliases": [
        "CVE-2019-15731"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3b13818e8330f68625d80d9bf5d8049c41fbe197"
                },
                {
                  "fixed": "f24cca94101de4e53f2be08deba3a15254823808"
                },
                {
                  "introduced": "1f2e6f3f6d84b8eab5526acdd69c38f5b78c3b0e"
                },
                {
                  "fixed": "a9cdd7fb733c20e5f8790f71921cb6540b5ac92a"
                },
                {
                  "introduced": "30032e00da906361c553a1eef4ffcd13378b43ee"
                },
                {
                  "fixed": "3a1dd80d30c720f1ba829178a698c3a34b7dfc25"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "12.0.0"
                      },
                      {
                        "fixed": "12.0.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "12.0.0"
                      },
                      {
                        "fixed": "12.0.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "12.1.0"
                      },
                      {
                        "fixed": "12.1.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "12.1.0"
                      },
                      {
                        "fixed": "12.1.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "12.2.0"
                      },
                      {
                        "fixed": "12.2.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "12.2.0"
                      },
                      {
                        "fixed": "12.2.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v12.2.1-ee",
            "v12.2.0-ee",
            "v12.1.6-ee",
            "v12.1.4-ee",
            "v12.0.6-ee",
            "v12.1.3-ee",
            "v12.1.2-ee",
            "v12.0.4-ee",
            "v12.1.1-ee",
            "v12.1.0-ee",
            "v12.0.3-ee",
            "v12.0.2-ee",
            "v12.0.1-ee",
            "v12.0.0-ee"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15731.json"
          }
        }
      ],
      "modified": "2026-10-30T10:30:31.608633659Z",
      "provider": "osv",
      "references": [
        "https://about.gitlab.com/2019/08/29/security-release-gitlab-12-dot-2-dot-3-released/",
        "https://gitlab.com/gitlab-org/gitlab-ce/issues/60465"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-15731",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431368,
  "published_at": "2019-09-16T17:15:14.073+00:00"
}