CVE-2026-40306CWE-330

DNN has same HostGUID for all new installs

Medium · published April 17, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
20.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00292 · 20.6th percentile
Weakness
CWE-330 · Use of Insufficiently Random Values
Published
2026-04-17T21:09Z
EPSS history
Timeline
  • 17 APR 21:09Z
    DNN has same HostGUID for all new installs
    cvelistv5