Vulnerability · Published Apr 17, 2026 · Assigned by GitHub_M
CVE-2026-40306DNN has same HostGUID for all new installs
Medium 6.9
In plain English
A medium-severity weak randomness in Dnn.Platform from dnnsoftware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.2%top 93.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | dotnetnuke.core | 10.2.2 | GHSA-2rhw-gw3f-477j |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| dnnsoftware | Dnn.Platform | >= 10.0.0, < 10.2.2 |
Weakness: CWE-330 · Vector: 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
References
- https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rhw-gw3f-477j x_refsource_CONFIRM
- https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2 x_refsource_MISC