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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2	Release Notes
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-17 22:16

Updated : 2026-06-17 10:44

NVD link : CVE-2026-40306

Mitre link : CVE-2026-40306

CVE.ORG link : CVE-2026-40306

JSON object : View

Products Affected

dnnsoftware

dotnetnuke

CWE

CWE-330

Use of Insufficiently Random Values

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