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Vulnerability DatabaseCVE-2026-40306

CVE-2026-40306: 
C# vulnerability analysis and mitigation

All new installations DNN 10.x.x - 10.2.1 installs, have the same Host GUID. This does not affect upgrades from 9.x.x.

Source: NVD

Related C# vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

GHSA-ffq7-898w-9jc4HIGH8
  • C#C#
  • DotNetNuke.Core
NoYesApr 10, 2026
GHSA-mvm6-f9r3-fgfxHIGH7.7
  • C#C#
  • AWSSDK.CloudFront
NoYesMar 27, 2026
CVE-2026-39959HIGH7.1
  • C#C#
  • Tmds.DBus
NoYesApr 09, 2026
CVE-2026-40305MEDIUM4.3
  • C#C#
  • DotNetNuke.Core
NoYesApr 10, 2026
CVE-2026-40306LOWN/A
  • C#C#
  • DotNetNuke.Core
NoYesApr 10, 2026

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