CVE-2026-50090

CRITICAL 9.3

Aqara OAuth redirect_uri validation bypass

CVSS Score

9.3

EPSS Score

0.0%

EPSS Percentile

0th

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).

CWE	CWE-1289
Vendor	aqara
Product	cloud oauth authorization endpoint
Published	Jun 12, 2026
Last Updated	Jun 12, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Aqara / Cloud OAuth Authorization Endpoint

2026-04-20 < 0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/xn0tsa/theres-no-place-like-home runzero.com: https://www.runzero.com/advisories/aqara-oauth-redirect-validation-bypass-cve-2026-50090

Credits

Sammy Azdoufal Tod Beardsley of runZero, Inc.