CVE-2026-40826mediumCWE-89

CVE-2026-40826: medium-severity vulnerability in Helmholz myREX24V2

Authenticated SQLi in dsgvo_contracts view

Published

Follow this CVE+ Monitor mbCONNECT24+ Monitor mymbCONNECT24

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

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

ssvc Trackcvss 6.9epss 0.3%
A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the dsgvo_contracts view due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/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.

CVE-2021-34580HIGHRemote user enumeration in mymbCONNECT24, mbCONNECT24 <= 2.9.0EPSS 1.0%CVE-2020-12527MEDIUMImproper Access Validation in products of MB connect line and HelmholzEPSS 1.0%CVE-2022-22520MEDIUMUser enumeration vulnerability in MB connect line and Helmholz productsEPSS 1.0%CVE-2021-34575HIGHInformation Exposure in mymbCONNECT24, mbCONNECT24 <= 2.8.0EPSS 1.0%CVE-2026-14448HIGHAuthenticated RCE in system_certificates viewEPSS 0.9%CVE-2020-12528MEDIUMCVE-2020-12528EPSS 0.9%