CVE-2026-40784

High

Description

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.

SeverityHigh

CVSS8.1

Exploit probability—

ProductFluentBoards

PublishedApr 15, 2026

First seenApr 15, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

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

Affected products

Product	Affected versions	Fixed in
Mahmudul Hasan Arif FluentBoards	v ≤ 1.91.2	—

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