CVE-2026-86271

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 v3 4.7 MEDIUM
CVSS v2.0 5.8 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:M/C:P/I:P/A:P

Exploitability : 6.4 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication MULTIPLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/fluentcms/FluentCMS/
https://github.com/fluentcms/FluentCMS/issues/2409
https://vuldb.com/cve/CVE-2026-86271
https://vuldb.com/submit/904824
https://vuldb.com/vuln/399430
https://vuldb.com/vuln/399430/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-07 05:16

Updated : 2026-09-09 15:17

NVD link : CVE-2026-86271

Mitre link : CVE-2026-86271

CVE.ORG link : CVE-2026-86271

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

CWE-863

Incorrect Authorization

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