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home assistant companion vulnerabilities and fixes

Recent CVEs affecting home assistant companion, with upgrade or downgrade steps. 1 tracked.

Also searched as: homeassistantcompanion.

home assistant companion has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-23. Highest priority: CVE-2026-54318 (score 31/100).

FAQ

How do I fix home assistant companion vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is home assistant companion being exploited right now?

None of the tracked home assistant companion CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which home assistant companion CVE should I patch first?

CVE-2026-54318 currently ranks highest (31/100): Home Assistant is open source home automation software that puts local control and privacy first.

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