CVE-2026-40833: Authenticated SQLi in saveDashboardLayout function

Description

An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the dash.php files saveDashboardLayout function due to improper neutralization of special elements in a SQL INSERT command allowing for reading the whole database and inserting entries into a non critical table. This can result in a total loss of confidentiality and some loss of integrity.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

Low

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 13% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

MB

mbCONNECT24 · MB connect line

0.0.0 through 2.20.0; 2.20.0 · source: vendor

MY

myREX24V2 · Helmholz

0.0.0 through 2.20.0; 2.20.0 · source: vendor

MY

myREX24V2.virtual · Helmholz

0.0.0 through 2.20.0; 2.20.0 · source: vendor

MY

mymbCONNECT24 · MB connect line

0.0.0 through 2.20.0; 2.20.0 · source: vendor