Aqara OAuth redirect_uri validation bypass
CVE-2026-50090

9.3CRITICAL

Key Information:

Vendor

Aqara

Status
Cloud Oauth Authorization Endpoint
Vendor
CVE Published:
12 June 2026

What is CVE-2026-50090?

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 Version(s)

Cloud OAuth Authorization Endpoint 2026-04-20 < 0

References

https://github.com/xn0tsa/theres-no-place-like-home
technical-description
https://www.runzero.com/advisories/aqara-oauth-redirect-v...
third-party-advisory

CVSS V3.1

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sammy Azdoufal
Tod Beardsley of runZero, Inc.
.