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CVE-2026-86271: Missing Authorization in FluentCMS

0
Medium
VulnerabilityCVE-2026-86271cvecve-2026-86271
Published: 09/07/2026 (09/07/2026, 04:30:11 UTC)
Source: CVE Database V5
Product: FluentCMS

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.

CVSS v4.0

Score 5.1medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

Affected versions
=0.0.1=0.0.2=0.0.3=0.0.4=0.0.5
CPE configurations
cpe:2.3:a:fluentcms:fluentcms:*:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-06T12:51:03.719Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a9e433eacd9273b49f6de27

Added to database: 09/07/2026, 04:53:18 UTC

Last updated: 09/07/2026, 06:07:31 UTC

Views: 5

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