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CVE-2026-40820VulnerabilityPublished

A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the getVpnData

Source GCVE Database

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Authoritative record:CVE-2026-40820· Medium 6.9

Not known to be exploited · CVSS 6.9 Medium.

Data as of 12 Nov 2026, 10:19 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (CERTVDE)CVSS 4.06.9
CNA (CERTVDE)CVSS 3.14.9
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Nov 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 11 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
MB connect linembCONNECT24Affected
  • >=1.0.0 <=2.20.0
Fixed in–
MB connect linemymbCONNECT24Affected
  • >=1.0.0 <=2.20.0
Fixed in–
MB connect linembCONNECT24Affected
  • =2.20.0
Fixed in–
MB connect linemymbCONNECT24Affected
  • =2.20.0
Fixed in–
HelmholzmyREX24V2Affected
  • >=1.0.0 <=2.20.0
Fixed in–
HelmholzmyREX24V2.virtualAffected
  • >=1.0.0 <=2.20.0
Fixed in–

AI-suggested

Since no patches or fixes are listed, monitor official sources for updates. Until a fix is available, restrict access to the vulnerable function to trusted users with high privileges and consider additional input validation or query parameterization as temporary mitigations.

Description

CVE-2026-40820 is an unauthenticated SQL Injection vulnerability in the getVpnData function that can be exploited by a high privileged remote attacker. The flaw arises from improper neutralization of special elements in a SQL SELECT command, potentially leading to total loss of confidentiality. The vulnerability has a medium severity score of 4.9 and does not affect availability or integrity. No affected software versions or patches are specified.

References

Community reviews

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