Name: CVE-2026-40784: Authorization Bypass Through User-Controlled Key
Creator: Rapid7
Published: 2026-04-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-40784, CWE-639, CVSS 8.1, EPSS 0.00033

Authorization Bypass Through User-Controlled Key vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FluentBoards: from n/a through <= 1.91.2.

CVSS Details

CVSS 3.1 Base Score: 8.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Fluent Boards Plugin	—	Update fluent-boards plugin to version 1.91.3, or a newer patched version	Apr 30, 2026	Apr 15, 2026

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence