{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.37.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "58c2a5e675a7d367b64d72e1d35680d202ff5c9f"
            },
            {
              "fixed": "4b4a59534f7da01e4030e46029fe9dd649a7675e"
            }
          ],
          "repo": "https://github.com/magicmirrororg/magicmirror",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-w6x9-28jw-hq7j"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-441",
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63643.json"
  },
  "details": "MagicMirror² is an open source modular smart mirror platform. Prior to 2.37.0, the ADD_CALENDAR handler in defaultmodules/calendar/node_helper.js accepts an attacker-controlled URL, authentication data, and selfSignedCert setting through the unauthenticated Socket.IO namespace /calendar. The handler passes these fields to CalendarFetcher, causing a server-side request without SSRF validation and optionally disabling TLS verification. When the response is valid iCal, CALENDAR_EVENTS returns parsed event data to the attacker, allowing internal-service response data to be exfiltrated; other responses still provide a blind request and timing primitive. This issue is fixed in version 2.37.0.",
  "id": "CVE-2026-63643",
  "modified": "2026-08-21T03:30:41.412936370Z",
  "published": "2026-08-18T17:18:52.556Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/MagicMirrorOrg/MagicMirror/releases/tag/v2.37.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63643.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/MagicMirrorOrg/MagicMirror/security/advisories/GHSA-w6x9-28jw-hq7j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63643"
    },
    {
      "type": "FIX",
      "url": "https://github.com/MagicMirrorOrg/MagicMirror/commit/58c2a5e675a7d367b64d72e1d35680d202ff5c9f"
    },
    {
      "type": "FIX",
      "url": "https://github.com/MagicMirrorOrg/MagicMirror/pull/4169"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "MagicMirror: ssrf calendar .js"
}