# esphome (PyPI) vulnerabilities 6 known vulnerabilities (4 high, 1 medium, 1 low), with the versions each affects and the releases that fix them. ## At a glance - Latest release: not known (cve.now hasn't read this package's releases) - Newest unaffected release: not known without release data - Registry: https://pypi.org/project/esphome/ ## Advisories (6) ### [CVE-2026-23833](https://cve.now/CVE-2026-23833): ESPHome vulnerable to denial-of-service via out-of-bounds check bypass in the API component - Severity: Low 1.7 - Published: Jan 19, 2026 - Affected: from 2025.9.0, fixed in 2025.12.7. ### [CVE-2025-57808](https://cve.now/CVE-2025-57808): ESP-IDF web\_server basic auth bypass using empty or incomplete Authorization header - Severity: High 8.1 - Published: Sep 2, 2025 - Affected: fixed in 2025.8.1. ### [CVE-2024-29019](https://cve.now/CVE-2024-29019): ESPHome vulnerable to Authentication bypass via Cross site request forgery - Severity: High 8.1 - Published: Mar 21, 2024 - Affected: from 2023.12.9, fixed in 2024.3.0. ### [CVE-2024-27287](https://cve.now/CVE-2024-27287): ESPHome vulnerable to stored Cross-site Scripting in edit configuration file API - Severity: Medium 6.5 - Published: Mar 6, 2024 - Affected: from 2023.12.9, fixed in 2024.2.2. ### [CVE-2024-27081](https://cve.now/CVE-2024-27081): ESPHome remote code execution via arbitrary file write - Severity: High 7.2 - Published: Feb 26, 2024 - Affected: from 2023.12.9, fixed in 2024.2.1. ### [CVE-2021-41104](https://cve.now/CVE-2021-41104): web\_server allows OTA update without checking user defined basic auth username & password - Severity: High 7.5 - Published: Sep 28, 2021 - Affected: fixed in 2021.9.2. --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. Page: https://cve.now/packages/pypi/esphome Site guide for agents: https://cve.now/llms.txt Uses NVD data; not endorsed by NVD.