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Vulnerability record · CVE-2026-54318 · published 23 June 2026

CVE-2026-54318: Home-assistant home assistant companion vulnerability

Home Assistant · Home Assistant Companion

Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2026.5.3, the LocationSensorManager BroadcastReceiver is exported with no permission. Any installed app, with zero runtime permissions, can broadcast a forged Google Play Services LocationResult directly to it; the receiver trusts the extra and forwards it to the user's Home Assistant server as the device's real location. This bypasses Android's developer-mode "Mock Location" gate and allows a local malicious app to drive zone-based automations (unlock door / disarm alarm / open garage) by faking the user's GPS position. This vulnerability is fixed in 2026.5.3.

7.1 CVSS 3.1 High EPSS 0.17% · top 94.5% CWE-926 · CWE-926
7.1CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
26 Jun 2026Last modified by NVD

Description

Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2026.5.3, the LocationSensorManager BroadcastReceiver is exported with no permission. Any installed app, with zero runtime permissions, can broadcast a forged Google Play Services LocationResult directly to it; the receiver trusts the extra and forwards it to the user's Home Assistant server as the device's real location. This bypasses Android's developer-mode "Mock Location" gate and allows a local malicious app to drive zone-based automations (unlock door / disarm alarm / open garage) by faking the user's GPS position. This vulnerability is fixed in 2026.5.3.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/home-assistant/android/pull/6837 Issue TrackingPatch
https://github.com/home-assistant/core/security/advisories/GHSA-77r5-pw5w-mgj3 ExploitThird Party AdvisoryMitigation
https://github.com/home-assistant/core/security/advisories/GHSA-77r5-pw5w-mgj3 ExploitThird Party AdvisoryMitigation

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2023-44385Home-assistant home assistant companion cross-site request forgery vulnerabilityThe Home Assistant Companion for iOS and macOS app up to version 2023.4 are vulnerable to Client-Side Request Forgery. Attackers may send malicious l…EPSS 0.28%7.8CVE-2023-41898Home-assistant home assistant companion code injection vulnerabilityHome assistant is an open source home automation. The Home Assistant Companion for Android app up to version 2023.8.2 is vulnerable to arbitrary URL …EPSS 0.16%

Source: NIST National Vulnerability Database (record CVE-2026-54318), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.