Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/xinnan-tech/xiaozhi-esp32-server
- https://github.com/xinnan-tech/xiaozhi-esp32-server/blob/v0.9.8/main/xiaozhi-ser
- 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-authenti
FAQ
What is CVE-2026-119703?
CVE-2026-119703 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 b...
How severe is CVE-2026-119703?
CVE-2026-119703 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119703?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.