Auth bypass in Aqara Cloud Production API

CVE-2026-50084

The Aqara Cloud Production API (open-cn.aqara.com/v3.0/open/api) would authorize any valid developer token for access to any account. This is an instance of "CWE-862: Missing Authorization" with an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N (9.6 Critical). When combined with CVE-2026-50082, CVE-50083, and CVE-50085, this can lead to a fully unauthenticated, remote takeover of affected devices.

Vulnerability class: Broken Access Control

EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-50084?
CVE-2026-50084 is a critical-severity vulnerability in Aqara Cloud Production API, classified under Missing Authorization. CVSS score: 9.6/10. Published 2026-06-12.
How severe is CVE-2026-50084?
Critical severity. CVSS v3 base score is 9.6 out of 10.