Auth bypass in Xinnan-Tech Xiaozhi-Esp32-Server
CVE-2026-116017
Xiaozhi-esp32-server before 0.9.8 contains an insecure direct object reference vulnerability in the manager-api DeviceController.getAddressBook handler that allows authenticated users to read other users' device address books. Attackers with a normal or self-registered account can request /device/address-book/{macAddress} with another user's device MAC to obtain contact MACs, aliases, call permissions, and owner user IDs.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
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
- github.com/xinnan-tech/xiaozhi-esp32-server/issues/3459 (issue-tracking)
- github.com/xinnan-tech/xiaozhi-esp32-server/pull/3460 (issue-tracking, patch)
- github.com/xinnan-tech/xiaozhi-esp32-server/commit/d4ff9c5c17cbd82ec98a2a6bb4f8… (patch)
- github.com/xinnan-tech/xiaozhi-esp32-server/releases/tag/v0.9.8 (release-notes)
- github.com/xinnan-tech/xiaozhi-esp32-server/blob/v0.9.7/main/manager-api/src/ma… (technical-description)
- github.com/xinnan-tech/xiaozhi-esp32-server/blob/v0.9.7/main/manager-api/src/ma… (technical-description)
- hackmd.io/@hieuPenguinnn/xiaozhi-esp32-server-address-book-idor (third-party-advisory)
- www.vulncheck.com/advisories/xiaozhi-esp32-server-before-0.9.8-idor-via-device-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-116017?
- CVE-2026-116017 is a medium-severity vulnerability in Xinnan-Tech Xiaozhi-Esp32-Server, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-24.
- How severe is CVE-2026-116017?
- Medium severity. CVSS v3 base score is 4.3 out of 10.