PYSEC-2026-1330 ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

Summary On the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correct value e.g., correct username with partial password. This allows access to webserver functionality...

ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

SummaryOn the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correct value e.g., correct username with partial password. This allows access to webserver functionality...

CVE-2025-57808 ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

ESPHome is a system to control microcontrollers remotely through Home Automation systems. In version 2025.8.0 in the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correc...

PT-2021-10696

Name of the Vulnerable Software and Affected Versions: Motorola CX2 router version 1.0.2 Build 20190508 Rel.97360n Description: A vulnerability in the /Login.html endpoint of the Motorola CX2 router allows attackers to bypass login and obtain a partially authorized token and uid. Recommendations:...