{"id":"CVE-2026-119703","published":"2026-10-30T16:17:51.120","lastModified":"2026-10-30T19:23:25.493","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.","cvssScore":4.8,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-290"],"vendors":[],"products":[],"references":[{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server","tags":[]},{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server/blob/v0.9.8/main/xiaozhi-server/core/websocket_server.py#L211-L232","tags":[]},{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server/issues/3448","tags":[]},{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server/pull/3457","tags":[]},{"url":"https://www.vulncheck.com/advisories/xiaozhi-esp32-server-through-0.9.8-authentication-bypass-via-spoofed-device-id-header","tags":[]}],"exploitRefs":[{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server","tags":[]},{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server/blob/v0.9.8/main/xiaozhi-server/core/websocket_server.py#L211-L232","tags":[]},{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server/issues/3448","tags":[]},{"url":"https://github.com/xinnan-tech/xiaozhi-esp32-server/pull/3457","tags":[]}],"hasPoc":true,"ai":null}