Security advisory

{
  "id": "f9d251bd1065f181df8a438b25691b36b53d33584c2a33bb81ea90845bb22c2c",
  "url": "https://osv.dev/vulnerability/CVE-2019-17490",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-17490",
    "summary": "app\\modules\\polygon\\controllers\\ProblemController in Jiangnan Online Judge (aka jnoj) 0.8.0 allows arbitrary file upload, as demonstrated by PHP code (with a .php filename but the image/png content type) to the web/polygon/problem/tests URI.",
    "evidence": "osv:CVE-2019-17490",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-17490",
      "aliases": [
        "CVE-2019-17490"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/shi-yang/jnoj",
              "type": "GIT",
              "events": [
                {
                  "introduced": "293eabfa7bdceeb8d4f0890e0a73c166a50425a0"
                },
                {
                  "last_affected": "293eabfa7bdceeb8d4f0890e0a73c166a50425a0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jnoj:jiangnan_online_judge:0.8.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.8.0"
                      },
                      {
                        "last_affected": "0.8.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.8.0",
            "v0.8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17490.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:49.332257971Z",
      "provider": "osv",
      "references": [
        "https://github.com/shi-yang/jnoj/issues/51"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-17490",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382207,
  "published_at": "2019-10-10T21:15:11.077+00:00"
}