What is CVE-2026-50090?

CVE-2026-50090 is a critical-severity vulnerability in Aqara Cloud Oauth Authorization Endpoint, classified under CWE-1289. CVSS score: 9.3/10. Published 2026-06-12.

How severe is CVE-2026-50090?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Vulnerability in Aqara Cloud Oauth Authorization Endpoint

CVE-2026-50090

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).

Published 2026-06-12 · last modified 2026-10-26.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (15.8th percentile), scored 2026-10-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.002 · change: -0.001

Affected products

Aqara Cloud Oauth Authorization Endpoint — versions 2026-04-20
Aqara Cloud Oauth Authorization Endpoint — versions 2026-04-20

Weakness classification (CWE)

CWE-1289

References

44488dab-36db-4358-99f9-bc116477f914 (Exploit, technical-description, Third Party Advisory)
44488dab-36db-4358-99f9-bc116477f914 (Exploit, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-50090?: CVE-2026-50090 is a critical-severity vulnerability in Aqara Cloud Oauth Authorization Endpoint, classified under CWE-1289. CVSS score: 9.3/10. Published 2026-06-12.
How severe is CVE-2026-50090?: Critical severity. CVSS v3 base score is 9.3 out of 10.