CVE-2026-86271

Medium

Description

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.

SeverityMedium
CVSS4.7
Exploit probability—
ProductFluentcms
PublishedSep 7, 2026
First seenSep 7, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
fluentcms fluentcms0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5—

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