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Solution
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Workaround
No workaround given by the vendor.
Mon, 10 Aug 2026 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. The path/filename parameters passed to these endpoints (e.g. `_blob.WriteFileAsync($"{path}/{formFile.FileName}", ...)`) are used without sanitization, enabling path traversal that allows writing, reading, modifying, and deleting arbitrary files outside the intended blob storage directory, including web-accessible paths that can be leveraged for remote code execution via webshell upload. | IoTSharp BlobStorageController.cs lacks the [Authorize] attribute applied to every other controller in the application (DevicesController, CustomersController, TenantsController, etc.), and no global authorization FallbackPolicy is configured in Startup.cs, leaving its Upload/Download/List/Modify/Delete endpoints reachable by unauthenticated remote attackers. |
| Title | IoTSharp - BlobStorageController Missing Authentication and Path Traversal | IoTSharp BlobStorageController Missing Authentication and Path Traversal |
Mon, 10 Aug 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | IoTSharp BlobStorageController Missing Authentication and Path Traversal | IoTSharp - BlobStorageController Missing Authentication and Path Traversal |
Fri, 07 Aug 2026 10:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Iotsharp
Iotsharp iotsharp |
|
| Vendors & Products |
Iotsharp
Iotsharp iotsharp |
Wed, 05 Aug 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 05 Aug 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | IoTSharp BlobStorageController.cs lacks the [Authorize] attribute applied to every other controller in the application (DevicesController, CustomersController, TenantsController, etc.), and no global authorization FallbackPolicy is configured in Startup.cs, leaving its Upload/Download/List/Modify/Delete endpoints reachable by unauthenticated remote attackers. The path/filename parameters passed to these endpoints (e.g. `_blob.WriteFileAsync($"{path}/{formFile.FileName}", ...)`) are used without sanitization, enabling path traversal that allows writing, reading, modifying, and deleting arbitrary files outside the intended blob storage directory, including web-accessible paths that can be leveraged for remote code execution via webshell upload. | |
| Title | IoTSharp BlobStorageController Missing Authentication and Path Traversal | |
| Weaknesses | CWE-306 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: TuranSec
Published:
Updated: 2026-08-10T11:46:26.306Z
Reserved: 2026-08-05T12:23:34.966Z
Link: CVE-2026-71262
Updated: 2026-08-05T15:38:38.730Z
Status : Deferred
Published: 2026-08-05T13:24:50.357
Modified: 2026-08-26T17:13:24.800
Link: CVE-2026-71262
No data.
OpenCVE Enrichment
Updated: 2026-08-10T21:15:07Z