CVE-2026-86271

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability was found in FluentCMS up to 0.0.5. This affects the function GetAccessible of the file src/Backend/FluentCMS.Services/Permissions/PermissionManager.cs. Performing a manipulation results in missing authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Published 2026-09-07. Last modified 2026-09-09.