CVE-2026-119703

EUVD-2026-114108

30.10.2026, 16:17

xiaozhi-esp32-server through 0.9.8 contains an authentication bypass vulnerability in WebSocketServer._handle_auth that allows remote unauthenticated attackers to skip Bearer HMAC token verification by spoofing the Device-ID header. Attackers supplying an allowlisted MAC-address-shaped device identifier can open an authenticated WebSocket session, issue voice-assistant commands, exchange audio, and read that device's conversation context.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	4.8 MEDIUM	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Common Weakness Enumeration

CWE-290 - Authentication Bypass by Spoofing
This attack-focused weakness is caused by improperly implemented authentication schemes that are subject to spoofing attacks.

References

https://github.com/xinnan-tech/xiaozhi-esp32-server

https://github.com/xinnan-tech/xiaozhi-esp32-server/blob/v0.9.8/main/xiaozhi-server/core/websocket_server.py#L211-L232

https://github.com/xinnan-tech/xiaozhi-esp32-server/issues/3448

https://github.com/xinnan-tech/xiaozhi-esp32-server/pull/3457

https://www.vulncheck.com/advisories/xiaozhi-esp32-server-through-0.9.8-authentication-bypass-via-spoofed-device-id-header