# CVE-2026-40835: MB connect line mbCONNECT24 SQL injection in saveObjectFromData

Source: https://junglewise.ai/threats/cve-2026-40835-mb-connect-line-mbconnect24-sql-injection-in-saveobjectfromdata  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-27. Updated: 2026-05-27  
License: CC BY 4.0 with a link back

CVE-2026-40835 · Severity: medium · CVSS 6.5 · Published 2026-05-27

MB connect line industrial remote access platforms are affected by a security vulnerability that could allow an attacker to access sensitive database information. By exploiting a flaw in how the system handles data saving requests, a user with low-level access can bypass security controls to read unauthorized data. This could lead to a total loss of confidentiality for information stored within the management platform.

## Quick answers

**Is CVE-2026-40835 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-40835 being exploited in the wild.

**How severe is CVE-2026-40835?** Medium severity, with a CVSS score of 6.5, 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-2026-40835?** 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-2026-40835 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-40835?** 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 saveObjectFromData function of MB connect line mbCONNECT24 and mymbCONNECT24 firmware versions up to and including 2.20.0. The flaw is caused by improper neutralization of special elements within a SQL SELECT command. A remote attacker with low-privileged credentials can exploit this vulnerability over the network without user interaction. Successful exploitation allows the attacker to execute arbitrary SQL queries, potentially leading to the unauthorized retrieval of the entire database contents. The vulnerability is tracked as CVE-2026-40835 and has been addressed in newer firmware versions.

## Affected products

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

## Timeline

- 2026-05-27: disclosed
- 2026-05-27: advisory

## References

- [https://www.certvde.com/en/advisories/VDE-2026-044/](https://www.certvde.com/en/advisories/VDE-2026-044/)