medium6.5
CVE-2026-40306
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem.
Impact
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. All new installations of DNN 10.x.x - 10.2.1 have the same Host GUID. This does not affect upgrades from 9.x.x. Version 10.2.2 patches the issue.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | DotNetNuke.Core | >= 10.0.0, < 10.2.2 | 10.2.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Dnnsoftware | Dotnetnuke | from 10.0.0 before 10.2.2 |