High
Home Assistant: iOS Companion app forwards NFC/QR tag scans without confirmation, enabling silent automation execution
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-66061
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 20:24 UTC · Revision 1
Source evidence
Home Assistant: iOS Companion app forwards NFC/QR tag scans without confirmation, enabling silent automation execution
core-osv · Original sourcePublished 7 Aug 2026, 20:43 UTC
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.
osv:CVE-2026-66061
Complete source record
{
"id": "ccc95e216d1751e754044ee58f19129f0da7300eb6bdf54d4c95d1e40ea6520a",
"url": "https://osv.dev/vulnerability/CVE-2026-66061",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Home Assistant: iOS Companion app forwards NFC/QR tag scans without confirmation, enabling silent automation execution",
"summary": "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.",
"evidence": "osv:CVE-2026-66061",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-66061",
"aliases": [
"CVE-2026-66061",
"GHSA-j23v-9672-677j"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N"
}
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66061.json"
}
}
],
"modified": "2026-10-28T02:30:23.367416390Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66061.json",
"https://github.com/home-assistant/core/security/advisories/GHSA-j23v-9672-677j",
"https://nvd.nist.gov/vuln/detail/CVE-2026-66061",
"https://github.com/home-assistant/iOS/commit/45e05e6666c74fdbea44cc4d6fb103043fff6fd9"
],
"provider_metadata": {
"cwe_ids": [
"CWE-862"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66061.json"
}
},
"related_cves": [
{
"value": "CVE-2026-66061",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 489801,
"published_at": "2026-08-07T20:43:41.785+00:00"
}