CVE-2026-119703

xiaozhi-esp32-server through 0.9.8 Authentication Bypass via Spoofed Device-ID Header

Published Oct 30, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 4, 2026, 10:49 PM
Reserved
Oct 30, 2026, 2:49 PM
Status
Deferred
Published
Oct 30, 2026, 4:17 PM
Modified
Nov 4, 2026, 11:17 PM