Vulnerability in Joey-Zhou Xiaozhi-Esp32-Server-Java
CVE-2026-111623
Xiaozhi-esp32-server-java through 6.1.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid device WebSocket tokens by requesting /api/device/ota with any MAC address. Attackers can open a victim device's WebSocket channel to read private role system prompts, write conversation history, consume LLM/STT/TTS credentials, and overwrite device metadata.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@hieuPenguinnn/xiaozhi-esp32-server-java-ota-device-token-issuance (third-party-advisory)
- github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-server/src/m… (technical-description)
- github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-server/src/m… (technical-description)
- github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-common/src/m… (technical-description)
- github.com/joey-zhou/xiaozhi-esp32-server-java (product)
- www.vulncheck.com/advisories/xiaozhi-esp32-server-java-through-6.1.0-authentica… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111623?
- CVE-2026-111623 is a medium-severity vulnerability in Joey-Zhou Xiaozhi-Esp32-Server-Java, classified under Authentication Bypass by Spoofing. CVSS score: 5.6/10. Published 2026-10-16.
- How severe is CVE-2026-111623?
- Medium severity. CVSS v3 base score is 5.6 out of 10.