Improper Neutralization of Special Elements Used in a Template Engine Affecting homeassistant-cli package, versions [,1.0.0)
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.
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Test your applications- Snyk IDSNYK-PYTHON-HOMEASSISTANTCLI-16635501
- published11 May 2026
- disclosed16 Apr 2026
- creditheyitsPiyush
Introduced: 16 Apr 2026
CVE-2026-40602 (opens in a new tab)How to fix?
Upgrade homeassistant-cli to version 1.0.0 or higher.
Overview
homeassistant-cli is a Command-line tool for Home Assistant.
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the handling of user-supplied Jinja2 templates. An attacker can execute arbitrary code by convincing a user to download and render a malicious template with the --local option.