CVE-2026-60039: Helmholz myREX24V2 OS command injection in backup restore

CVE-2026-60039 · Severity: high · CVSS 7.2 · Published 2026-11-10

Helmholz myREX24V2 is an industrial automation controller that manages critical infrastructure operations. A high-privileged administrator can inject malicious commands during backup restoration, gaining complete control over the device and potentially disrupting industrial operations, stealing confidential data, or causing system failure.

Technologies: Helmholz myREX24V2, Helmholz myREX24V2.virtual. Vendors: Helmholz.

Quick answers

Is CVE-2026-60039 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-60039 being exploited in the wild.
How severe is CVE-2026-60039?
High severity, with a CVSS score of 7.2, published 10 November 2026.
Which products and versions are affected?
Helmholz myREX24V2 before 2.21.0; Helmholz myREX24V2.virtual before 2.21.0.
Is there a fix for CVE-2026-60039?
Yes: fixed in 2.21.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-60039 attacked?
It is attacked over the network, in device firmware.
Am I affected by CVE-2026-60039?
Check whether you run Helmholz myREX24V2 or Helmholz myREX24V2.virtual at an affected version. 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.

How to fix

  • Fixed in: 2.21.0

Technical details

OS command injection vulnerability (CWE-78) in the backend backup restore function allows a high-privileged remote attacker to execute arbitrary system commands. The attack requires admin credentials (PR:H) but no user interaction. Successful exploitation results in complete compromise of confidentiality, integrity, and availability.

Affected products

  • Helmholz myREX24V2 before 2.21.0
  • Helmholz myREX24V2.virtual before 2.21.0

Timeline

  • 2026-11-10: disclosed

References

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