DNN has same HostGUID for all new installs_CVE-2026-40306

6.9 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-40306

Source GitHub_M

Published Apr 17, 2026 at 21:09

Affected Product

Vendor dnnsoftware

Product Dnn.Platform

Version >= 10.0.0, < 10.2.2

Affected Versions dnnsoftware Dnn.Platform >= 10.0.0, < 10.2.2

CWE Classification

CWE-330

References

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    "published": "2026-04-17T21:09:30.317Z",
    "modified": "2026-04-17T21:09:30.317Z",
    "type": "cve",
    "title": "DNN has same HostGUID for all new installs",
    "source": "GitHub_M",
    "references": "https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j\nhttps://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2",
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    "sourceData": "dnnsoftware Dnn.Platform >= 10.0.0, < 10.2.2",
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    "cvss": {
        "score": 6.9,
        "severity": "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",
        "version": "4.0"
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    "product": "Dnn.Platform",
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