Security advisory

{
  "id": "ed9c3e52e8a52be73b919c818173acb0ff61c516271249ea54d170dea8ddee75",
  "url": "https://osv.dev/vulnerability/CVE-2020-13246",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13246",
    "summary": "An issue was discovered in Gitea through 1.11.5. An attacker can trigger a deadlock by initiating a transfer of a repository's ownership from one organization to another.",
    "evidence": "osv:CVE-2020-13246",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-13246",
      "aliases": [
        "BIT-gitea-2020-13246",
        "CVE-2020-13246",
        "GHSA-g2qx-6ghw-67hm",
        "GO-2022-0830"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/go-gitea/gitea",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "83f8414e1ee769a62ae813b10f602a800eb76ac5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.11.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.11.5",
            "v1.11.4",
            "v1.11.3",
            "v1.11.2",
            "v1.11.1",
            "v1.11.0",
            "v1.11.0-rc2",
            "v1.11.0-rc1",
            "v1.10.0-rc1",
            "v1.11.0-dev",
            "v1.9.0-rc1",
            "v1.10.0-dev",
            "v1.9.0-dev",
            "v1.7.0-dev",
            "v1.6.0-rc1",
            "v1.6.0-dev",
            "v1.5.0-rc1",
            "v1.5.0-dev",
            "v1.1.0",
            "v1.0.0",
            "v0.9.99"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13246.json"
          }
        }
      ],
      "modified": "2026-10-24T10:47:26.398938789Z",
      "provider": "osv",
      "references": [
        "https://github.com/go-gitea/gitea/issues/10549",
        "https://github.com/go-gitea/gitea/pull/11438",
        "https://www.youtube.com/watch?v=DmVgADSVS88"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "gitea:gitea",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "1.11.5"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-13246",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441219,
  "published_at": "2020-05-20T18:15:12.667+00:00"
}