CVE-2026-50086 — CRITICAL (10.0)

Vulnerability 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).

CVSS Score

10.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Aqara	Iam\/Sso Gateway	2026-04-20

Related Weaknesses (CWE)

CWE-327

References

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

FAQ

What is CVE-2026-50086?

CVE-2026-50086 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 Authenticatio...

How severe is CVE-2026-50086?

CVE-2026-50086 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-50086?

Check the references section above for vendor advisories and patch information. Affected products include: Aqara Iam\/Sso Gateway.