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CVE-2026-66061— Home Assistant: iOS Companion app forwards NFC/QR tag scans without confirmation, enabling silent automation execution

Quick assessment

Affected
home-assistant core
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Home Assistant是Home Assistant组织开源的一款智能家居自动化平台。 Home Assistant 2026.5.0之前版本存在授权问题漏洞，该漏洞源于iOS Companion应用将通过操作系统级路由机制（如iOS通用链接）传送的标签链接视为物理扫描，且未验证调用应用或提示用户，可能导致设备上不受信任的应用转发任意标签给Home Assistant，执行关联自动化，造成静默、无人值守的自动化执行。

CVSS 7.1 · High EPSS 0.16% · P6

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
home-assistant core < 2026.5.0 affected
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I. Basic Information for CVE-2026-66061

Vulnerability Information
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Vulnerability Title
Home Assistant: iOS Companion app forwards NFC/QR tag scans without confirmation, enabling silent automation execution
Source: CVE Program / CVE List V5
Vulnerability Description
Home Assistant is open source home automation software focused on local control and privacy. Prior to 2026.5.0, the iOS Companion app treats tag links (NFC or QR) delivered through an OS-level routing mechanism such as iOS universal links 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 has been fixed in version 2026.5.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Home Assistant 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Home Assistant是Home Assistant组织开源的一款智能家居自动化平台。 Home Assistant 2026.5.0之前版本存在授权问题漏洞，该漏洞源于iOS Companion应用将通过操作系统级路由机制（如iOS通用链接）传送的标签链接视为物理扫描，且未验证调用应用或提示用户，可能导致设备上不受信任的应用转发任意标签给Home Assistant，执行关联自动化，造成静默、无人值守的自动化执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
home-assistant core < 2026.5.0 -

II. Public POCs for CVE-2026-66061

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 8069 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
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III. Intelligence Information for CVE-2026-66061

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Vendor Advisories for CVE-2026-66061 (1)

Same Patch Batch · home-assistant · 2026-08-07 · 3 CVEs total

CVE-2026-66060 7.1 HIGH Home Assistant: Unconfirmed NFC/QR tag scans allow silent automation execution by untruste
CVE-2026-59717 4.3 MEDIUM Home Assistant Companion: `homeassistant://invite` Deep Link Credential Phishing

IV. Related Vulnerabilities

Same product: core
Same vendor: home-assistant
Same weakness: CWE-862

V. Comments for CVE-2026-66061

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