{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40306","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-10T21:41:54.504Z","datePublished":"2026-04-17T21:09:30.317Z","dateUpdated":"2026-04-20T16:18:27.508Z"},"containers":{"cna":{"title":"DNN has same HostGUID for all new installs","problemTypes":[{"descriptions":[{"cweId":"CWE-330","lang":"en","description":"CWE-330: Use of Insufficiently Random Values","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"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"}}],"references":[{"name":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j"},{"name":"https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2","tags":["x_refsource_MISC"],"url":"https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2"}],"affected":[{"vendor":"dnnsoftware","product":"Dnn.Platform","versions":[{"version":">= 10.0.0, < 10.2.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-04-17T21:09:30.317Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-2rhw-gw3f-477j","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-20T16:18:17.305187Z","id":"CVE-2026-40306","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-20T16:18:27.508Z"}}]}}