PatchTheCVEdotnetnuke vulnerabilities and fixes
Recent CVEs affecting dotnetnuke, with upgrade or downgrade steps. 3 tracked.
dotnetnuke has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-04-17. Highest priority: CVE-2026-40321 (score 56/100).
- CVE-2026-40321 HIGH 8.0 UPGRADE DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem
- CVE-2026-40306 MEDIUM 6.5 UPGRADE DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem
- CVE-2026-40305 MEDIUM 4.3 UPGRADE DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem
FAQ
How do I fix dotnetnuke vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is dotnetnuke being exploited right now?
None of the tracked dotnetnuke CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which dotnetnuke CVE should I patch first?
CVE-2026-40321 currently ranks highest (56/100): DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem.