CVE-2026-40306

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...

CVE-2026-40306

DNN Platform (DotNetNuke) CVE-2026-40306 describes a flaw where all new installations of DNN 10.x.x–10.2.1 use the same Host GUID. Red Hat, NVD, CVE listings, and related advisories indicate this shortcoming stems from predictable HostGUID values introduced in releases prior to 10.2.2, which patc...