CVE-2026-40784

Name: CVE-2026-40784
Creator: NVD / NIST
Published: 2026-04-15T11:16:37.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2026-40784 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.17%

6.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

References

https://patchstack.com/database/Wordpress/Plugin/fluent-boards/vulnerability/wordpress-fluentboards-plugin-1-91-2-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Timeline

Published: Apr 15, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-40784?

How severe is CVE-2026-40784?

CVE-2026-40784 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2026-40784?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-40784?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST