Vulnerability Description
Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio backend API handlers in custom_components/blueprint_studio/backend/api.py returned raw exception strings to authenticated Home Assistant users. Some exception messages could contain internal filesystem paths or implementation details. The disclosed information could help an authenticated user fingerprint a Home Assistant installation and refine follow-up attacks. This issue is fixed in version 2.5.2.
Related Weaknesses (CWE)
References
- https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a38642
- https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2
- https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-6vc4-5wqj-
FAQ
What is CVE-2026-53458?
CVE-2026-53458 is a documented vulnerability. Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio backend API handlers in custom_components/blueprint_studio/backend/api.py return...
How severe is CVE-2026-53458?
CVSS scoring is not yet available for CVE-2026-53458. Check NVD for updates.
Is there a patch for CVE-2026-53458?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.