{"id":"CVE-2026-40306","summary":"DNN has same HostGUID for all new installs","details":"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.","aliases":["GHSA-2rhw-gw3f-477j"],"modified":"2026-07-08T07:01:45.523065965Z","published":"2026-04-17T21:09:30.317Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40306.json","cwe_ids":["CWE-330"],"cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40306.json"},{"type":"ADVISORY","url":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40306"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dnnsoftware/dnn.platform","events":[{"introduced":"b936bda3da68c86ffe35360410c0844c15e0695d"},{"fixed":"3620738b4994107135057a1a234ff15132b19732"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"10.0.0"},{"fixed":"10.2.2"}]}}],"versions":["v10.2.1","v10.2.0","v10.1.2","v10.1.1","v10.1.0","v10.0.1","v10.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40306.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}