CVE-2026-40836highCWE-89

CVE-2026-40836: high-severity vulnerability in Helmholz myREX24V2

Authenticated SQLi in inmessage model

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.2%
An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the inmessage model due to improper neutralization of special elements in a SQL DELETE command allowing for reading the whole database and deleting entries in a non critical table. This can result in a total loss of confidentiality and some loss of integrity.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
Helmholz · myREX24V2Helmholz · myREX24V2.virtualMB connect line · mbCONNECT24MB connect line · mymbCONNECT24
Related CVEs — Helmholz myREX24V2

In the same product, most dangerous first.

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