CVE-2026-50086: Aqara unauthenticated AES oracle

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-06-12 · updated 2026-10-26
Weakness: CWE-327

Description

The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bidirectional AES round-trups against the platform's signing key without authentication. This is an instance of "CWE-306: Missing Authentication for Critical Function" and "CWE-327: Use of a Broken or Risky Cryptographic Algorithm," and has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (7.5 High).

Affected products

Aqara IAM/SSO Gateway: 2026-04-20

References

https://github.com/xn0tsa/theres-no-place-like-home
https://www.runzero.com/advisories/aqara-unauth-aes-oracle-cve-2026-50086
https://github.com/xn0tsa/theres-no-place-like-home

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