CVE-2026-50090: Aqara Cloud OAuth Authorization Endpoint

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

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).

Affected products

• Aqara Cloud OAuth Authorization Endpoint: version 2026-04-20 only

Published 2026-06-12. Last modified 2026-07-09.