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VulnerabilityPublished

CVE-2026-40836: MB connect line mbCONNECT24 · SQL Injection

Affects MB connect line mbCONNECT24Source CVE Database V5

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Not known to be exploited · CVSS 7.1 High.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
MB connect linembCONNECT24Affected
  • <=2.20.0
Fixed in–
MB connect linemymbCONNECT24Affected
  • <=2.20.0
Fixed in–
MB connect linembCONNECT24Affected
  • =2.20.0
Fixed in–
MB connect linemymbCONNECT24Affected
  • =2.20.0
Fixed in–
HelmholzmyREX24V2Affected
  • <=2.20.0
Fixed in–
HelmholzmyREX24V2.virtualAffected
  • <=2.20.0
Fixed in–

AI-suggested

Until a fix is available, restricting network access to the affected service and applying compensating controls may reduce exposure.

Description

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.

References

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