MEDIUM 5.3 NVD
CVE-2026-111629
IoTSharp through 3.6.1 contains an insecure direct object reference vulnerability that allows any authenticated user to read other tenants' data because Custome
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.
References
- https://github.com/IoTSharp/IoTSharp/blob/v3.6.1/IoTSharp/Controllers/CustomersController.
- https://github.com/IoTSharp/IoTSharp/blob/v3.6.1/IoTSharp/Controllers/DevicesController.cs
- 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
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-10-16 via NVD.
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