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CVE-2026-50090— Aqara OAuth redirect_uri validation bypass

Quick assessment

Affected
Aqara Cloud OAuth Authorization Endpoint
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Aqara Cloud OAuth Authorization Endpoint是美国Aqara公司的一个为全线智能家居与物联网（IoT）产品提供云端支撑的核心平台。 Aqara Cloud OAuth Authorization Endpoint存在输入验证错误漏洞，该漏洞源于对域匹配的输入不安全等价验证不当，可能导致重定向绕过。

CVSS 9.3 · Critical EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Aqara Cloud OAuth Authorization Endpoint 2026-04-20< 0 affected
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I. Basic Information for CVE-2026-50090

Vulnerability Information
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Vulnerability Title
Aqara OAuth redirect_uri validation bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The Aqara Cloud OAuth Authorization Endpoint (open-cn.aqara.com/oauth/authorize) is vulnerable to a redirect bypass due to lax controls on domain matching, which is an instance of "CWE-1289: Improper Validation of Unsafe Equivalence in Input" and has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N (9.3 Critical).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1289
Source: CVE Program / CVE List V5
Vulnerability Title
Aqara Cloud OAuth Authorization Endpoint 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Aqara Cloud OAuth Authorization Endpoint是美国Aqara公司的一个为全线智能家居与物联网（IoT）产品提供云端支撑的核心平台。 Aqara Cloud OAuth Authorization Endpoint存在输入验证错误漏洞，该漏洞源于对域匹配的输入不安全等价验证不当，可能导致重定向绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Aqara Cloud OAuth Authorization Endpoint 2026-04-20 ~ 0 -

II. Public POCs for CVE-2026-50090

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8594 chars
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III. Intelligence Information for CVE-2026-50090

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Vendor Advisories for CVE-2026-50090 (1)

Proof of Concept for CVE-2026-50090 (1)

Same Patch Batch · Aqara · 2026-06-12 · 10 CVEs total

CVE-2026-50086 10.0 CRITICAL Aqara unauthenticated AES oracle
CVE-2026-50084 9.6 CRITICAL Aqara API cross-account access
CVE-2026-50083 9.1 CRITICAL Aqara hardcoded OAuth client credentials
CVE-2026-50091 9.1 CRITICAL Aqara Home Android SDK hardcoded keys
CVE-2026-50085 8.6 HIGH Aqara Board IoT insecure debug API
CVE-2026-50087 8.2 HIGH Aqara IAM/SSO Gateway cross-origin resource sharing
CVE-2026-50088 8.2 HIGH Aqara Developer Portal cross-origin resource sharing
CVE-2026-50082 6.5 MEDIUM Aqara Developer Portal insecure authentication token
CVE-2026-50089 6.1 MEDIUM Aqara IAM/SSO Gateway open redirect

IV. Related Vulnerabilities

Same vendor: Aqara
Same weakness: CWE-1289

V. Comments for CVE-2026-50090

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