Esphome

6 CVEs across 2 Esphome products. Browse Esphome vulnerabilities, severities, and proof-of-concept exploits.

Esphome products with known CVEs

ProductCVEs
Esphome8
Esphome Firmware2
Esphome CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-71260Medium6.52026-08-05ESPHome through 2026.7.0-dev discloses plaintext passwords via its web_server component. In WebServer::text_json_ (esphome/components/web_server/web_server.cpp…
CVE-2026-71259High8.62026-08-05ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/config_validation.py. Because binds tighter than , any file…
CVE-2026-23833High7.52026-01-19ESPHome is a system to control microcontrollers remotely through Home Automation systems. In versions 2025.9.0 through 2025.12.6, an integer overflow in the AP…
CVE-2025-57808High8.12025-09-02ESPHome is a system to control microcontrollers remotely through Home Automation systems. In version 2025.8.0 in the ESP-IDF platform, ESPHome's web_server aut…
CVE-2024-29019High8.12024-04-11ESPHome is a system to control microcontrollers remotely through Home Automation systems. API endpoints in dashboard component of ESPHome version 2023.12.9 (co…
CVE-2024-27287Medium6.52024-03-06ESPHome is a system to control your ESP8266/ESP32 for Home Automation systems. Starting in version 2023.12.9 and prior to version 2024.2.2, editing the configu…
CVE-2024-27081High7.22024-02-26ESPHome is a system to control your ESP8266/ESP32. A security misconfiguration in the edit configuration file API in the dashboard component of ESPHome version…
CVE-2021-41104High7.52021-09-28ESPHome is a system to control the ESP8266/ESP32. Anyone with web_server enabled and HTTP basic auth configured on version 2021.9.1 or older is vulnerable to a…