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CVE-2026-40306

DNN has same HostGUID for all new installs

CVSS 6.9 MEDIUMEPSS 0.2%CWE-330
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Produtos afetados
dnnsoftware · Dnn.Platform

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Referências
https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j