CVE-2026-86271 PUBLISHED

FluentCMS PermissionManager.cs GetAccessible authorization

Assigner: VulDB
Reserved: 06.09.2026 Published: 07.09.2026 Updated: 07.09.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 5.1

Product Status

Vendor n/a
Product FluentCMS
Versions
  • Version 0.0.1 is affected
  • Version 0.0.2 is affected
  • Version 0.0.3 is affected
  • Version 0.0.4 is affected
  • Version 0.0.5 is affected

Credits

  • volksec (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Missing Authorization CWE
  • Incorrect Authorization CWE