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.
History

Wed, 04 Nov 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 30 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Xinnan-tech
Xinnan-tech xiaozhi-esp32-server
Vendors & Products Xinnan-tech
Xinnan-tech xiaozhi-esp32-server

Fri, 30 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Description 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.
Title xiaozhi-esp32-server through 0.9.8 Authentication Bypass via Spoofed Device-ID Header
Weaknesses CWE-290
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-30T15:16:03.996Z

Updated: 2026-11-04T22:49:15.168Z

Reserved: 2026-10-30T14:49:22.241Z

Link: CVE-2026-119703

cve-icon Vulnrichment

Updated: 2026-11-04T22:49:09.956Z

cve-icon NVD

Status : Deferred

Published: 2026-10-30T16:17:51.120

Modified: 2026-11-04T23:17:22.093

Link: CVE-2026-119703

cve-icon Redhat

No data.