---
title: "esphome-device-builder — CVE-2026-59178"
description: "An authentication bypass flaw affects the PyPI package esphome-device-builder. Affected versions: < 1.0.12. Fixed from version 1.0.12. CVSS score 9.8."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-14-cve-2026-59178
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-14
dateModified: 2026-09-14
---
# esphome-device-builder — CVE-2026-59178

An authentication bypass flaw affects the PyPI package esphome-device-builder. Affected versions: < 1.0.12. Fixed from version 1.0.12. CVSS score 9.8.

## What to do

Update esphome-device-builder to 1.0.12 or later.

| Fact | Value |
| --- | --- |
| Package | esphome-device-builder |
| Ecosystem | PyPI (Python) |
| Class | Authentication bypass |
| Affected versions | < 1.0.12 |
| Fixed version | 1.0.12 |
| CVSS | 9.8 |
| CVE | CVE-2026-59178 |
| GHSA | GHSA-rrxg-g2pf-6hh4 |
| Published on | September 14, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-rrxg-g2pf-6hh4](https://github.com/advisories/GHSA-rrxg-g2pf-6hh4) — GitHub Security Advisories
- [NVD — CVE-2026-59178](https://nvd.nist.gov/vuln/detail/CVE-2026-59178) — NVD

---

Equivalent HTML page : https://inyourgeek.com/en/failles-de-securite/2026-09-14-cve-2026-59178
Published by InYourGeek — https://inyourgeek.com/en/a-propos
Method and safeguards : https://inyourgeek.com/en/methode
Full register : https://inyourgeek.com/en/failles-de-securite