CVE-2026-40784Disclosure

LOWCVSS 8.1 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD 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.

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1.5/ 10 priority

Sources & remediation

Other 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

Weakness type (CWE)

CWE-639

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

Public PoC is present in monitored signal
3 mentions across 3 observed days
Momentum state: stable

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 3 signals
Disclosure: 2 classified signals
Peaked 2d ago at 1 mentions (2026-04-15); latest day: 1
3 total mentions across 3 days

Deep dive

Activity timeline3 mentions / 3d

Signal classification2 categories

Disclosure

266.7%

PoC

133.3%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-15	1	Disclosure1
2026-04-16	1	Disclosure1
2026-04-27	1	PoC1

Full discourse3 posts

Atomic Edge@atomicedgeWAF167d
PoC
https://atomicedge.io/cve-proof/cve-2026-40784-fluent-boards-version-1-91-2-medium-vulnerability-proof-of-concept CVE-2026-40784 fluent-boards (CVSS Score 4.3) #WordPress plugin #vulnerability #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atomicedge
Post summary
A proof‑of‑concept for CVE‑2026‑40784, affecting Fluent Boards with a CVSS score of 4.3, has been published, but no active exploitation or patch is reported.
0000039
6 followersView on X
CVE@CVEnew179d
Disclosure
CVE-2026-40784 Authorization Bypass Through User-Controlled Key vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Exploiting Incorrectly Configured Access Contr… https://www.cve.org/CVERecord?id=CVE-2026-40784
Post summary
The text is a brief CVE record reference describing CVE-2026-40784, an authorization bypass vulnerability in fluent-boards, with no PoC, exploit, patch, or active exploitation details.
00000127
57.2K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds179d
Disclosure
CVE-2026-40784 Authorization Bypass Through User-Controlled Key in FluentBoards Up To 1.91.2 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-40784
Post summary
An authorization bypass vulnerability (CVE‑2026‑40784) affecting FluentBoards up to version 1.91.2 has been identified and documented.
0000043
4.0K followersView on X

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