CVE-2026-50090 — CRITICAL (9.3)

Vulnerability Description

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).

CVSS Score

9.3

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Aqara	Cloud Oauth Authorization Endpoint	2026-04-20

Related Weaknesses (CWE)

CWE-1289

References

https://github.com/xn0tsa/theres-no-place-like-homeExploitThird Party Advisory
https://www.runzero.com/advisories/aqara-oauth-redirect-validation-bypass-cve-20ExploitThird Party Advisory
https://github.com/xn0tsa/theres-no-place-like-homeExploitThird Party Advisory

FAQ

What is CVE-2026-50090?

CVE-2026-50090 is a vulnerability with a CVSS score of 9.3 (CRITICAL). 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 ...

How severe is CVE-2026-50090?

CVE-2026-50090 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-50090?

Check the references section above for vendor advisories and patch information. Affected products include: Aqara Cloud Oauth Authorization Endpoint.