CVE-2026-40850: MB connect line mbCONNECT24 SQL injection in getAccountData

CVE-2026-40850 · Severity: high · CVSS 7.5 · Published 2026-05-27

MB connect line remote access platforms are used for industrial communication and remote maintenance of machinery. A security flaw allows an unauthenticated attacker to access the underlying database, potentially leading to the theft of sensitive account information and configuration data. This could compromise the confidentiality of the industrial environment and its users.

Quick answers

Is CVE-2026-40850 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-40850 being exploited in the wild.
How severe is CVE-2026-40850?
High severity, with a CVSS score of 7.5, published 27 May 2026.
Which products and versions are affected?
MB connect line GmbH mbCONNECT24 <= 2.20.0; MB connect line GmbH mymbCONNECT24 <= 2.20.0.
Is there a fix for CVE-2026-40850?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-40850 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-40850?
Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A SQL injection vulnerability exists in the getAccountData function of MB connect line mbCONNECT24 and mymbCONNECT24 firmware versions up to and including 2.20.0. The root cause is the improper neutralization of special elements within a SQL SELECT command (CWE-89). An unauthenticated remote attacker can exploit this over the network without user interaction to execute arbitrary SQL queries. Successful exploitation allows the attacker to read sensitive data from the database, resulting in a total loss of confidentiality.

Affected products

  • MB connect line GmbH mbCONNECT24 <= 2.20.0
  • MB connect line GmbH mymbCONNECT24 <= 2.20.0

Timeline

  • 2026-05-27: advisory: Advisory VDE-2026-044 published by CERT VDE
  • 2026-05-27: disclosed: CVE-2026-40850 published to NVD

References

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