VULNRABLE / Vulnerability / CVE-2026-59178

CVE-2026-59178

CRITICAL WATCH esphome-device-builder GHSA

Exploit verdict: CVSS 9.5 · critical severity

CVSS Score

9.5

Severity

CRITICAL

EPSS

Source

GHSA

Summary

ESPHome Device Builder: Renamed auth env vars silently disable dashboard authentication on upgrade

What this means

CVE-2026-59178 is a critical-severity vulnerability affecting esphome-device-builder, rated CVSS 9.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published September 14, 2026.

View full advisory at GHSA →