{"id":"CVE-2026-116017","kind":"vulnerability","aliases":["CVE-2026-116017"],"related":[],"title":"Xiaozhi-esp32-server: authenticated users can read other users' device address books","description":"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.","summary":"Xiaozhi-esp32-server before 0.9.8 has an insecure direct object reference in the manager-api DeviceController.getAddressBook handler. A logged-in user can request another user's device MAC address and read that device's contacts, aliases, call permissions and owner user IDs.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ai-tooling","esp32","manager-api","self-hosted","xiaozhi-esp32-server"],"not_affected_if":["auth-required","managed-hosting"],"how_to_check":"- Check the deployed version of Xiaozhi-esp32-server; anything below `0.9.8` is in scope.\n- Confirm whether `/device/address-book/{macAddress}` is reachable by ordinary registered accounts.","fix":"- Upgrade Xiaozhi-esp32-server to `0.9.8` or later.\n- Until upgraded, restrict the manager-api to trusted users only.","status":"open","published_at":"2026-10-24T12:16:58+00:00","first_seen_at":"2026-10-24T12:47:58+00:00","triaged_at":"2026-10-25T04:18:44+00:00","updated_at":"2026-10-25T04:18:44+00:00","category":"ai-tooling","confidence":0.7,"triage":{"at":"2026-10-25T04:18:44Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Xiaozhi-esp32-server to `0.9.8` or later.\n- Until upgraded, restrict the manager-api to trusted users only.","reach":"network","title":"Xiaozhi-esp32-server: authenticated users can read other users' device address books","impact":"medium","summary":"Xiaozhi-esp32-server before 0.9.8 has an insecure direct object reference in the manager-api DeviceController.getAddressBook handler. A logged-in user can request another user's device MAC address and read that device's contacts, aliases, call permissions and owner user IDs.","category":"ai-tooling","nicknames":[],"who_cares":["xiaozhi-esp32-server","self-hosted","esp32","manager-api"],"confidence":0.7,"needs_auth":"yes","worst_case":"Other users' device contacts and owner IDs readable by any account holder","analyst_note":"Confirm the fixed version and whether the NVD entry or upstream advisory lists any mitigations beyond upgrading to 0.9.8.","how_to_check":"- Check the deployed version of Xiaozhi-esp32-server; anything below `0.9.8` is in scope.\n- Confirm whether `/device/address-book/{macAddress}` is reachable by ordinary registered accounts.","needs_analyst":true,"not_affected_if":["auth-required","managed-hosting"],"who_is_affected":"Teams self-hosting Xiaozhi-esp32-server with open or self-service user registration, where users own ESP32 devices. Deployments with only trusted, administrator-created accounts face much less exposure. unknown for any other deployment details.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000637,"input_tokens":3362,"output_tokens":601,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-116017':16A,19A '-2026':15A,18A '/device/address-book':121C '0.9.8':39B,84C 'account':118C 'address':12A,65B,108C 'ai':21B 'ai-tool':20B 'alias':72B,133C 'allow':100C 'anoth':60B,124C 'api':26B,50B,96C 'attack':110C 'authent':5A,101C 'book':13A,109C 'call':73B,134C 'contact':71B,131C 'contain':85C 'cve':14A,17A 'devic':11A,63B,69B,107C,127C 'devicecontroller.getaddressbook':51B,97C 'direct':43B,88C 'esp32':3A,23B,32B,36B,81C 'handler':52B,98C 'host':29B 'id':78B,139C 'insecur':42B,87C 'log':55B 'logged-in':54B 'mac':64B,128C,132C 'macaddress':122C 'manag':25B,49B,95C 'manager-api':24B,48B,94C 'normal':113C 'object':44B,89C 'obtain':130C 'owner':76B,137C 'permiss':74B,135C 'read':8A,67B,104C 'refer':45B,90C 'regist':117C 'request':59B,120C 'self':28B,116C 'self-host':27B 'self-regist':115C 'server':4A,33B,37B,82C 'tool':22B 'user':6A,10A,57B,61B,77B,102C,106C,125C,138C 'vulner':91C 'xiaozhi':2A,31B,35B,80C 'xiaozhi-esp32-server':1A,30B,34B,79C","nicknames":[],"mitigations":[],"who_affected":"Teams self-hosting Xiaozhi-esp32-server with open or self-service user registration, where users own ESP32 devices. Deployments with only trusted, administrator-created accounts face much less exposure. unknown for any other deployment details.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-24T12:16:58+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-116017","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116017","severity":null,"published_at":"2026-10-24T12:16:58+00:00","modified_at":"2026-10-24T12:16:58+00:00","first_seen_at":"2026-10-24T12:47:58+00:00","fetched_at":"2026-10-24T12:47:58+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}