CVE-2026-71262

CRITICAL 9.8CVE-2026-71262 · Published 05/08/2026 · updated 26/08/2026

In short

CVE-2026-71262 is a CRITICAL (CVSS 9.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.63%, higher than 50.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

IoTSharp/IoTSharp
IoTSharp/IoTSharp

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