Critical severity9.8NVD Advisory· Published Aug 5, 2026· Updated Aug 26, 2026

CVE-2026-71262

Description

IoTSharp BlobStorageController.cs lacks the [Authorize] attribute applied to every other controller in the application (DevicesController, CustomersController, TenantsController, etc.), and no global authorization FallbackPolicy is configured in Startup.cs, leaving its Upload/Download/List/Modify/Delete endpoints reachable by unauthenticated remote attackers.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

IoTSharp/IoTSharpllm-fuzzy

Patches

Vulnerability mechanics

References

github.com/IoTSharp/IoTSharp/blob/master/IoTSharp/Controllers/BlobStorageController.csnvd

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