CVE-2026-50090: Aqara OAuth redirect_uri validation bypass

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-06-12 · updated 2026-10-26
Weakness: CWE-1289

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).

Affected products

Aqara Cloud OAuth Authorization Endpoint: 2026-04-20

References

https://github.com/xn0tsa/theres-no-place-like-home
https://www.runzero.com/advisories/aqara-oauth-redirect-validation-bypass-cve-2026-50090
https://github.com/xn0tsa/theres-no-place-like-home

Get alerted when CVE-2026-50090 or the next vulnerability affects your stack