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CVE-2026-23833 ESPHome vulnerable to denial-of-service via out-of-bounds check bypass in the API component

🗓️ 19 Jan 2026 17:58:50Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

ESPHome denial of service via API protobuf out-of-bounds with large field_length; patch in 2025.12.7 and enable unique API encryption.

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10 Apr 2026 05:39Current
5.6Medium risk
Vulners AI Score5.6
CVSS 46.3
EPSS0.00092
3