Vulnerability

CVE-2026-50084

Critical· 9.6CVSS9.6

.rules3/5

The Aqara Cloud Production API (open-cn.aqara.com/v3.0/open/api) would authorize any valid developer token for access to any account. This is an instance of "CWE-862: Missing Authorization" with an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N (9.6 Critical). When combined with CVE-2026-50082, CVE-50083, and CVE-50085, this can lead to a fully unauthenticated, remote takeover of affected devices.

Threat signal

96/100

Severe

Severity

critical

CVSS

9.6

EPSS

—

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

9.6/ 10CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeChangedImpact extends beyond the vulnerable component (e.g. sandbox escape).
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactNoneNo availability impact.

EPSS

No EPSS data

FIRST.org publishes EPSS daily. Coverage isn't universal — pre-disclosure CVEs and reserved IDs don't carry an EPSS score until at least one exploitation signal lands. Score will appear within 24 hours of the next EPSS pull.

Vendor VEX

No VEX statements published for CVE-2026-50084. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCTrack

Total impact on non-trivial mission systems

exploitation: none
automatable: yes
impact: total
mission: support

Lifecycle

2026-06-12Published
2026-06-12Last modified1 source

References

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.