Security advisory

{
  "id": "60d088f562e72cc40db5beab9dd60e09ca9b4f4def21db99fa747f7e4a230b67",
  "url": "https://osv.dev/vulnerability/CVE-2018-20303",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20303",
    "summary": "In pkg/tool/path.go in Gogs before 0.11.82.1218, a directory traversal in the file-upload functionality can allow an attacker to create a file under data/sessions on the server, a similar issue to CVE-2018-18925.",
    "evidence": "osv:CVE-2018-20303",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-20303",
      "aliases": [
        "CVE-2018-20303",
        "GHSA-9hxg-w7qf-hh93"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gogs/gogs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ff93d9dbda5cebe90d86e4b7dfb2c6b8642970ce"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "ff93d9dbda5cebe90d86e4b7dfb2c6b8642970ce"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.11.79",
            "v0.11.66",
            "v0.11.53",
            "v0.11.43",
            "v0.11.34",
            "v0.11.33",
            "v0.11.29",
            "v0.11.19",
            "v0.11.4",
            "v0.11",
            "v0.11rc",
            "v0.10.18",
            "v0.10.8",
            "v0.10",
            "v0.10rc",
            "v0.9.141",
            "v0.9.128",
            "v0.9.113",
            "v0.9.97",
            "v0.9.71",
            "v0.9.60",
            "v0.9.48",
            "v0.9.46",
            "v0.9.13",
            "v0.9.0",
            "v0.8.43",
            "v0.8.25",
            "v0.8.10",
            "v0.8.0",
            "v0.7.33",
            "v0.7.22",
            "v0.7.19",
            "v0.7.6",
            "v0.7.0",
            "v0.6.15",
            "v0.6.9",
            "v0.6.3",
            "v0.6.1",
            "v0.5.13",
            "v0.5.11",
            "v0.5.9",
            "v0.5.8",
            "v0.5.5",
            "v0.5.2",
            "v0.5.0",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20303.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:03.637672161Z",
      "provider": "osv",
      "references": [
        "https://github.com/gogs/gogs/commit/ff93d9dbda5cebe90d86e4b7dfb2c6b8642970ce",
        "https://github.com/gogs/gogs/issues/5558",
        "https://pentesterlab.com/exercises/cve-2018-18925/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "gogs:gogs",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "0.11.82.1218"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "0.11.82.1218"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-20303",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379988,
  "published_at": "2018-12-20T00:29:00.35+00:00"
}