CVE-2026-50086 | The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bid… | CVSS 10.0 CRITICAL

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).

Metadata

CVE ID: CVE-2026-50086
State: PUBLISHED
Assigner: runZero
Reserved: 2026-06-03 14:25 UTC
Published: 2026-06-12 15:01 UTC
Last updated: 2026-06-12 15:48 UTC
Primary CWE: CWE-327
CWE-327: Use of a Broken or Risky Cryptographic Algorithm
Vendor / Product: Aqara / Aqara IAM/SSO Gateway
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Aqara	Aqara IAM/SSO Gateway	—	2026-04-20

Weakness (CWE)

CWE	Source	Description
CWE-327	cna	CWE-327: Use of a Broken or Risky Cryptographic Algorithm

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References (2)