CVE-2026-40305

Medium

Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 6.0.0 and prior to version 10.2.2, in the friends feature, a user could craft a request that would force the acceptance of a friend request on another user. Version 10.2.2 patches the issue.

SeverityMedium
CVSS4.3
Exploit probability—
ProductDnnsoftware Dotnetnuke
PublishedApr 17, 2026
First seenApr 17, 2026
Weakness typeCWE-285CWE-285

How to fix

Update
  • dnnsoftware dotnetnuke10.2.2 or later
  • DotNetNuke.Core10.2.2 or later

Affected products

ProductAffected versionsFixed in
dnnsoftware dotnetnuke6.0.0 ≤ v < 10.2.210.2.2
DotNetNuke.CoreNuGet6.0.0 ≤ v < 10.2.210.2.2

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CVE-2026-40305 · Dnnsoftware Dotnetnuke · Dark Radar