esphome vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-23833Mediumesphome: ESPHome vulnerable to denial-of-service via out-of-bounds check bypass in the API component CVE-2025-57808Highesphome: ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header CVE-2024-29019Highesphome: ESPHome vulnerable to Authentication bypass via Cross site request forgery CVE-2024-27287Mediumesphome: esphome vulnerable to stored Cross-site Scripting in edit configuration file API CVE-2024-27081Highesphome: ESPHome vulnerable to remote code execution via arbitrary file write CVE-2021-41104Highesphome: Basic auth bypass in esphome

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