Aqara API cross-account access

{
  "id": "d05b3e44f8b6e9499406c358ed8db0c66aa04a3343181b114804d2b86b6fd4c2",
  "url": "https://osv.dev/vulnerability/CVE-2026-50084",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Aqara API cross-account access",
    "summary": "The Aqara Cloud Production API (open-cn.aqara.com/v3.0/open/api) would authorize any valid developer token for access to any account. This is an instance of \"CWE-862: Missing Authorization\" with an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N (9.6 Critical). When combined with CVE-2026-50082, CVE-50083, and CVE-50085, this can lead to a fully unauthenticated, remote takeover of affected devices.",
    "evidence": "osv:CVE-2026-50084",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-50084",
      "aliases": [
        "CVE-2026-50084"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/xn0tsa/theres-no-place-like-home",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2026-04-20"
                      },
                      {
                        "fixed": "0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-50084.json"
          }
        }
      ],
      "modified": "2026-10-26T10:45:18.951674782Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50084.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-50084",
        "https://www.runzero.com/advisories/aqara-api-access-cve-2026-50084",
        "https://github.com/xn0tsa/theres-no-place-like-home"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "runZero",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50084.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-50084",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 450310,
  "published_at": "2026-06-12T15:01:00.952+00:00"
}