Description

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.

INFO

Published Date :

2026-04-17T21:09:30.317Z

Last Modified :

2026-04-20T16:18:27.508Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-40306 vulnerability.

Vendors Products
Dnnsoftware
  • Dnn Platform
  • Dotnetnuke
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-40306.

URL Resource
https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2 cve-icon cve-icon
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact