Missing Authentication for Critical Function Affecting homeassistant package, versions [,2026.6.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Missing Authentication for Critical Function vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-PYTHON-HOMEASSISTANT-17661146
- published28 Jun 2026
- disclosed23 Jun 2026
- creditHar1sh-k
Introduced: 23 Jun 2026
CVE-2026-54317 (opens in a new tab)How to fix?
Upgrade homeassistant to version 2026.6.0 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the get method of the Konnected integration's HTTP endpoint, which does not enforce authentication. An attacker can access sensitive information about the alarm-panel switch state and zone topology by sending unauthenticated GET requests over the local network.