Improper access control in DotNetNuke - CVE-2026-40305

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Main Vulnerability Database Vulnerabilities #VU125828

Improper access control in DotNetNuke - CVE-2026-40305

Published: April 11, 2026


Vulnerability identifier: #VU125828
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-40305
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: DNN
Affected software:
DotNetNuke

Detailed vulnerability description

The vulnerability allows a remote user to force the acceptance of a friend request on another user.

The vulnerability exists due to improper access control in the friends feature when handling crafted requests. A remote user can send a specially crafted request to force the acceptance of a friend request on another user.


How to mitigate CVE-2026-40305

Install security update from vendor's website.

Sources