CVE-2026-50084: Aqara API cross-account access

Severity: medium (CVSS 6.5 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 2026-10-25
Weakness: CWE-862

Description

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.

Affected products

Aqara Cloud Production API: 2026-04-20

References

https://github.com/xn0tsa/theres-no-place-like-home
https://www.runzero.com/advisories/aqara-api-access-cve-2026-50084
https://github.com/xn0tsa/theres-no-place-like-home

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