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PatchSiren cyber security CVE debrief

CVE-2026-50084 Aqara CVE debrief

The Aqara Cloud Production API (open-cn.aqara.com/v3.0/open/api) is vulnerable to CWE-862: Missing Authorization. This critical vulnerability, with a CVSS score of 9.6, allows any valid developer token to access any account. When combined with CVE-2026-50082, CVE-2026-50083, and CVE-2026-50085, it can lead to a fully unauthenticated, remote takeover of affected devices.

Vendor
Aqara
Product
Cloud Production API
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-07-09
Advisory published
2026-06-12
Advisory updated
2026-07-09

Who should care

Users of Aqara devices and administrators of Aqara Cloud Production API should be aware of this vulnerability and take immediate action to mitigate the risk.

Technical summary

The Aqara Cloud Production API does not properly authorize requests, allowing an attacker with a valid developer token to access any account. This is an instance of CWE-862: Missing Authorization.

Defensive priority

High

Recommended defensive actions

  • Update to the latest version of the Aqara Cloud Production API
  • Restrict access to the API to only trusted developers and accounts
  • Monitor API logs for suspicious activity

Evidence notes

Evidence of this vulnerability was provided by Runzero and xn0tsa.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50084 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50084

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50084 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50084

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://github.com/xn0tsa/theres-no-place-like-home

    44488dab-36db-4358-99f9-bc116477f914

  • Source reference

    Unverified legacy reference

    URL: https://www.runzero.com/advisories/aqara-api-access-cve-2026-50084

    44488dab-36db-4358-99f9-bc116477f914

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.