Security advisory

{
  "id": "3ea637d05709d08708c13504b3286b12ec3648afff540d421eba1c2223771386",
  "url": "https://osv.dev/vulnerability/CVE-2018-14505",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-14505",
    "summary": "mitmweb in mitmproxy v4.0.3 allows DNS Rebinding attacks, related to tools/web/app.py.",
    "evidence": "osv:CVE-2018-14505",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-14505",
      "aliases": [
        "CVE-2018-14505",
        "GHSA-6m53-c78q-7qmg",
        "PYSEC-2018-56"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mitmproxy/mitmproxy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b62b119779dac8fa6b992fa225c46b7b7e9e0f88"
                },
                {
                  "last_affected": "b62b119779dac8fa6b992fa225c46b7b7e9e0f88"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mitmproxy:mitmproxy:4.0.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.3"
                      },
                      {
                        "last_affected": "4.0.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.0.3",
            "v4.0.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14505.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:21.116185910Z",
      "provider": "osv",
      "references": [
        "https://github.com/mitmproxy/mitmproxy/pull/3243",
        "https://github.com/mitmproxy/mitmproxy/issues/3234"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-14505",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381588,
  "published_at": "2018-07-22T18:29:00.223+00:00"
}