CVE-2026-33044

Medium

Description

Home Assistant is open source home automation software that puts local control and privacy first. Starting in version 2020.02 and prior to version 2026.01, an authenticated party can add a malicious name to their device entity, allowing for Cross-Site Scripting attacks against anyone who can see a dashboard with a Map-card which includes that entity. It requires that the victim hovers over an information point. Version 2026.01 fixes the issue.

SeverityMedium
CVSS5.4
Exploit probability—
ProductHome-assistant
PublishedMar 27, 2026
First seenMar 27, 2026

How to fix

Update
  • home-assistant home-assistant2026.1.0 or later
  • homeassistant2026.01 or later

Affected products

ProductAffected versionsFixed in
home-assistant home-assistant2020.02 ≤ v < 2026.1.02026.1.0
homeassistantPyPI2020.02 ≤ v < 2026.012026.01

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