espectre

ESPectre Turn an ESP32 into a private, local Wi-Fi motion sensor. When someone moves through a room, they change the way Wi-Fi signals travel through it. ESPectre reads those changes and reports motion in real time. No camera, no microphone, no wearable, and no dedicated radar hardware: just a...

GHSA-VV4J-M4VR-F3G6 ESPHome Device Builder Dashboard: Unauthenticated dashboard access via the HA add-on ingress site bound to all interfaces

Summary On the Home Assistant add-on, the dashboard serves a trusted ingress site that skips authentication because the supervisor authenticates the request upstream. That site was binding 0.0.0.0. The add-on runs in host network mode for mDNS, so binding all interfaces also bound the host's LAN...

ESPHome Device Builder Dashboard: Unauthenticated dashboard access via the HA add-on ingress site bound to all interfaces

Summary On the Home Assistant add-on, the dashboard serves a trusted ingress site that skips authentication because the supervisor authenticates the request upstream. That site was binding 0.0.0.0. The add-on runs in host network mode for mDNS, so binding all interfaces also bound the host's LAN...

CVE-2026-71260

ESPHome through 2026.7.0-dev discloses plaintext passwords via its webserver component. In WebServer::textjson esphome/components/webserver/webserver.cpp, a text entity configured with mode: password TEXTMODEPASSWORD has its JSON "state" field correctly masked as "", but the same serialization pa...

CVE-2026-71259

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the externalcomponents YAML directive's git source schema,...

CVE-2026-71260 ESPHome web_server Plaintext Password Disclosure via JSON "value" Field

ESPHome through 2026.7.0-dev discloses plaintext passwords via its webserver component. In WebServer::textjson esphome/components/webserver/webserver.cpp, a text entity configured with mode: password TEXTMODEPASSWORD has its JSON "state" field correctly masked as "", but the same serialization pa...

CVE-2026-71260

ESPHome through 2026.7.0-dev discloses plaintext passwords via its webserver component. In WebServer::textjson esphome/components/webserver/webserver.cpp, a text entity configured with mode: password TEXTMODEPASSWORD has its JSON "state" field correctly masked as "", but the same serialization pa...

EUVD-2026-53345

ESPHome through 2026.7.0-dev discloses plaintext passwords via its webserver component. In WebServer::textjson esphome/components/webserver/webserver.cpp, a text entity configured with mode: password TEXTMODEPASSWORD has its JSON "state" field correctly masked as "", but the same serialization pa...

CVE-2026-71260 ESPHome web_server Plaintext Password Disclosure via JSON "value" Field

ESPHome through 2026.7.0-dev discloses plaintext passwords via its webserver component. In WebServer::textjson esphome/components/webserver/webserver.cpp, a text entity configured with mode: password TEXTMODEPASSWORD has its JSON "state" field correctly masked as "", but the same serialization pa...

CVE-2026-71260

CVE-2026-71260 affects ESPHome up to 2026.7.0-dev. In the web_server component, a text entity with mode: password correctly masks the TEXT field in the JSON 'state', but the serialization path unconditionally writes the raw password into the JSON 'value' field via set_json_icon_state_value()/set_...

CVE-2026-71260 ESPHome web_server Plaintext Password Disclosure via JSON "value" Field

ESPHome through 2026.7.0-dev discloses plaintext passwords via its webserver component. In WebServer::textjson esphome/components/webserver/webserver.cpp, a text entity configured with mode: password TEXTMODEPASSWORD has its JSON "state" field correctly masked as "", but the same serialization pa...

CVE-2026-71259 ESPHome external_components file:// Scheme Validation Bypass Leading to Remote Code Execution

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the externalcomponents YAML directive's git source schema,...

CVE-2026-71259

ESPHome (up to 2026.7.0-dev) is affected by an operator-precedence bug in the cv.url() validator within esphome/config_validation.py. The condition if parsed.scheme and parsed.netloc or parsed.scheme == "file" incorrectly permits file:// URIs to bypass validation, affecting the url: field of the ...

CVE-2026-71259 ESPHome external_components file:// Scheme Validation Bypass Leading to Remote Code Execution

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the externalcomponents YAML directive's git source schema,...

CVE-2026-71259 ESPHome external_components file:// Scheme Validation Bypass Leading to Remote Code Execution

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the externalcomponents YAML directive's git source schema,...

CVE-2026-71259

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the externalcomponents YAML directive's git source schema,...

EUVD-2026-53344

ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/configvalidation.py: if parsed.scheme and parsed.netloc or parsed.scheme == "file": return parsed.geturl. Because and binds tighter than or, any file: URI passes validation regardless of netloc. Th...

PYSEC-2026-1326 ESPHome vulnerable to denial-of-service via out-of-bounds check bypass in the API component

Summary An integer overflow in the API component's protobuf decoder allows denial-of-service attacks when API encryption is not used. Details The bounds check ptr + fieldlength end in components/api/proto.cpp can overflow when a malicious client sends a large fieldlength value. This affects all...

PYSEC-2026-1327 ESPHome vulnerable to Authentication bypass via Cross site request forgery

Summary API endpoints in dashboard component of ESPHome version 2023.12.9 command line installation are vulnerable to Cross-Site Request Forgery CSRF allowing remote attackers to carry out attacks against a logged user of the dashboard to perform operations on configuration files create, edit,...

PYSEC-2026-1329 esphome vulnerable to stored Cross-site Scripting in edit configuration file API

Summary Edit configuration file API in dashboard component of ESPHome version 2023.12.9 command line installation and Home Assistant add-on serves unsanitized data with “Content-Type: text/html; charset=UTF-8”, allowing remote authenticated user to inject arbitrary web script and exfiltrate sessi...