{"cve":"CVE-2026-111629","nvd":{"published":"2026-10-16T18:17:43.043","modified":"2026-10-21T21:17:53.290","status":"Deferred","description":"IoTSharp through 3.6.1 contains an insecure direct object reference vulnerability that allows any authenticated user to read other tenants' data because Customers and Devices API handlers do not scope queries to the caller's tenant. Attackers can self-register through the anonymous AccountController.Create endpoint and supply other tenants' GUIDs to read customer contact details, device inventories and device attribute telemetry.","cvss_v4":{"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","score":5.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-639"],"references":["https://github.com/IoTSharp/IoTSharp/blob/v3.6.1/IoTSharp/Controllers/CustomersController.cs#L164-L177","https://github.com/IoTSharp/IoTSharp/blob/v3.6.1/IoTSharp/Controllers/DevicesController.cs#L490-L507","https://hackmd.io/@hieuPenguinnn/iotsharp-devices-customers-cross-tenant-idor","https://www.vulncheck.com/advisories/iotsharp-through-3.6.1-cross-tenant-data-exposure-via-customers-and-devices-apis","https://hackmd.io/@hieuPenguinnn/iotsharp-devices-customers-cross-tenant-idor"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-111629","score":0.00315,"percentile":0.24213,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}