November 14, 2026

CVE Watchtower

CVE-2026-60040MB connect line mbCONNECT24 Allocation of Resources Without Limits or Throttling

NVD

Vulnerability Summary

An unauthenticated remote attacker can perform a DoS in the backends backup creation function. This can result in a total loss of availability.
Severity Level
HIGH(8.7)
Published Date
Nov 10, 2026
Last Modified
Nov 13, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.35%Probability
Root Weakness (CWE)
CWE-770: Allocation of Resources Without Limits or Throttling ↗
The product allocates a reusable resource on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated.
CVSS v4.0 Base Metrics — Score 8.7 (HIGH)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)None
Integrity (Vulnerable System)None
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 7.5)
CVSS v3.1 Base Metrics — Score 7.5 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • MB connect line mbCONNECT24 >= 2.0.0 and < 2.21.0
  • MB connect line mymbCONNECT24 >= 2.0.0 and < 2.21.0
  • Helmholz myREX24V2 >= 2.0.0 and < 2.21.0
  • Helmholz myREX24V2.virtual >= 2.0.0 and < 2.21.0
Patched Versions
  • MB connect line mbCONNECT24 2.21.0
  • MB connect line mymbCONNECT24 2.21.0
  • Helmholz myREX24V2 2.21.0
  • Helmholz myREX24V2.virtual 2.21.0

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is high.

  1. Check whether you run MB connect line mbCONNECT24 and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 10, 2026Published
  • Nov 13, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 14, 2026 01:09 UTC