CVE-2026-124006: Copeland XWEB EVO predictable credential generation

CVE-2026-124006 · Severity: high · CVSS 8.1 · Published 2026-11-12

XWEB EVO is a web-based control and monitoring interface for industrial refrigeration and HVAC systems. A vulnerability in versions through 5.8.8 allows attackers to mathematically derive the Linux root password using a fixed prefix and daily password calculation, enabling unauthorized administrative access to affected systems. This product reached end-of-service in March 2026.

Technologies: Copeland XWEB EVO. Vendors: Copeland.

Quick answers

Is CVE-2026-124006 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-124006 being exploited in the wild.
How severe is CVE-2026-124006?
High severity, with a CVSS score of 8.1, published 12 November 2026.
Which products and versions are affected?
Copeland XWEB EVO through 5.8.8.
Is there a fix for CVE-2026-124006?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-124006 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-124006?
Check whether you run Copeland XWEB EVO 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.

Technical details

The vulnerability stems from predictable credential generation logic where the root password is composed of a fixed prefix combined with a MAC-address-based daily value. Before version 5.7.0, the root credential was identical across all units; from 5.7.0 onward, it remains derivable due to the deterministic nature of the MAC-based calculation. An attacker with network access can compute the root password without authentication and gain OS-level control.

Affected products

  • Copeland XWEB EVO through 5.8.8

Timeline

  • 2026-11-12: disclosed

References

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