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DNN Same Host GUID Vulnerability in New Installations

Vulnerability

A vulnerability exists in DNN (DotNetNuke) version 10.0.0 prior to 10.2.2, where all new installations share the same Host GUID. This issue does not affect upgrades from version 9.x.x. The vulnerability could lead to problems with GUID uniqueness, which is essential for proper system identification and management.

Impact

The vulnerability could cause GUID collisions, leading to potential issues in system identification and management.

Remediation

Users can upgrade to DNN version 10.2.2, which addresses this issue. Instructions for upgrading DNN can be found in the DNN documentation.

Added: Apr 17, 2026, 10:33 PM
Updated: Apr 17, 2026, 10:33 PM

Vulnerability Rating

Custom Algorithm
spread
5.2
impact
0.6
exploitability
7.2
remediation
7.7
relevance
6.1
threat
0.0
urgency
2.9
incentive
4.2

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.