CVEvulnerability

CVE-2026-71262

9.8 CRITICAL Published 2026-08-05 Modified 2026-08-26 Official page ↗

Status: Deferred
Published: 2026-08-05
Last modified: 2026-08-26
Assigner: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
CVSS 3.1 (309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-306

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.

Weakness · CWE (1)

CWE-306 Missing Authentication for Critical Functionality weakness

References

https://github.com/IoTSharp/IoTSharp github.com
https://github.com/IoTSharp/IoTSharp/blob/master/IoTSharp/Controllers/BlobStorageController.cs github.com

CVE-2026-71262

Description

Related

Weakness · CWE (1)

References