Aqara OAuth redirect_uri validation bypass

{
  "id": "778379861e89b7a868124b7f2fa5578d5f167f431c034b253ad497ab54e6140a",
  "url": "https://osv.dev/vulnerability/CVE-2026-50090",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Aqara OAuth redirect_uri validation bypass",
    "summary": "The Aqara Cloud OAuth Authorization Endpoint (open-cn.aqara.com/oauth/authorize) is vulnerable to a redirect bypass due to lax controls on domain matching, which is an instance of \"CWE-1289: Improper Validation of Unsafe Equivalence in Input\" and has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N (9.3 Critical).",
    "evidence": "osv:CVE-2026-50090",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-50090",
      "aliases": [
        "CVE-2026-50090"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-2026-50090.json"
          }
        }
      ],
      "modified": "2026-10-26T10:45:14.804273983Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50090.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-50090",
        "https://www.runzero.com/advisories/aqara-oauth-redirect-validation-bypass-cve-2026-50090",
        "https://github.com/xn0tsa/theres-no-place-like-home"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1289"
        ],
        "cna_assigner": "runZero",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50090.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-50090",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 450305,
  "published_at": "2026-06-12T15:02:13.84+00:00"
}