CVE-2026-54318: Home Assistant is open source home automation software that puts local control and privacy first

Q: How do I fix CVE-2026-54318?

home assistant companion: upgrade to 2026.5.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-54318 being exploited?

CVE-2026-54318 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-54318 affect?

CVE-2026-54318 affects home assistant companion. Severity is high (CVSS 7.1). 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 permission

Q: How urgent is CVE-2026-54318?

Priority 31/100. High severity; Public exploit reference

Routine

HIGH 7.1UPGRADE

CVE-2026-54318 is a high-severity flaw (CVSS 7.1) affecting home assistant companion. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 Andro

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-926
Published	2026-06-23
Last modified	2026-10-25

Publisher (CNA): GitHub, Inc. · Vendor: home-assistant

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-23 18:18 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

home-assistant home assistant companion UPGRADE

Affected: < 2026.5.3

Fixed in: 2026.5.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy home-assistant-companion || rpm -q home-assistant-companion || home-assistant-companion --version

2. UPGRADE to 2026.5.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade home-assistant-companion

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade home-assistant-companion

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-54318?

home assistant companion: upgrade to 2026.5.3. Exact commands for each OS are on this page.

Is CVE-2026-54318 being exploited?

CVE-2026-54318 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-54318 affect?

CVE-2026-54318 affects home assistant companion. Severity is high (CVSS 7.1). 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 permission

How urgent is CVE-2026-54318?

Priority 31/100. High severity; Public exploit reference

Software pages

Home Assistant vulnerabilities

References

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