Is CVE-2026-124004 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-124004 being exploited in the wild.

How severe is CVE-2026-124004?

Critical severity, with a CVSS score of 9.8, published 12 November 2026.

Which products and versions are affected?

Copeland XWEB EVO before 5.6.2.

Is there a fix for CVE-2026-124004?

Yes: fixed in 5.6.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-124004 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-124004?

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.

CVE-2026-124004: Copeland XWEB EVO hardcoded backdoor authentication bypass

CVE-2026-124004 · Severity: critical · CVSS 9.8 · Published 2026-11-12

XWEB EVO is a web-based control and monitoring system for refrigeration units and HVAC equipment. An unauthenticated attacker can use a hardcoded credential to gain full administrative access to the application, allowing them to modify system settings, disable alarms, or shut down controlled equipment without authorization.

Technologies: Copeland XWEB EVO. Vendors: Copeland.

Quick answers

Is CVE-2026-124004 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-124004 being exploited in the wild.
How severe is CVE-2026-124004?: Critical severity, with a CVSS score of 9.8, published 12 November 2026.
Which products and versions are affected?: Copeland XWEB EVO before 5.6.2.
Is there a fix for CVE-2026-124004?: Yes: fixed in 5.6.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-124004 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-124004?: 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.

How to fix

Fixed in: 5.6.2

Technical details

The application contains a hardcoded backdoor password that bypasses authentication for the Administrator account. Attackers can authenticate remotely over the network using the credential "xwebevonewgeneration" to obtain a complete administrative session without prior authorization. The vulnerability affects versions before 5.6.2 and is readily exploitable in a single request.

Affected products

Copeland XWEB EVO before 5.6.2

Timeline

2026-11-12: disclosed

References

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