CVE-2026-40306
DNN has same HostGUID for all new installs
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-330 |
| Vendor | dnnsoftware |
| Product | dnn.platform |
| Published | Apr 17, 2026 |
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Affected Versions
dnnsoftware / Dnn.Platform
>= 10.0.0, < 10.2.2