SQL Injection Vulnerability in InMessage Model by Vendor
CVE-2026-40836

7.1HIGH

Key Information:

Vendor: Mb Connect Line
Status: Mbconnect24; Mymbconnect24; Myrex24v2; Myrex24v2.virtual
Vendor: CVE Published:; 27 May 2026

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What is CVE-2026-40836?

An unauthenticated SQL Injection vulnerability in the InMessage model allows low privileged remote attackers to manipulate SQL DELETE commands. This flaw arises from improper handling of special elements, potentially enabling attackers to read the entire database and delete entries from a non-critical table. The exploitation of this vulnerability poses significant risks, including a complete loss of confidentiality and possible impacts on data integrity.

Affected Version(s)

mbCONNECT24 0.0.0 <= 2.20.0

mbCONNECT24 2.20.0

mymbCONNECT24 0.0.0 <= 2.20.0

References

https://www.certvde.com/en/advisories/VDE-2026-044/

CVSS V4

Score:

7.1

Severity:

HIGH

Confidentiality:

High

Integrity:

Low

Availability:

None

Attack Vector:

Network

Attack Complexity:

Low

Attack Required:

None

Privileges Required:

Undefined

User Interaction:

None

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Timeline

Vulnerability published
May 27, 2026
Vulnerability Reserved
Apr 15, 2026

CVE-2026-40836 Data

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