CVE-2026-124004

CriticalCVSS 9.8/10Last modified Nov 13, 2026

Description

XWEB EVO before 5.6.2 contains a hardcoded backdoor password vulnerability that allows unauthenticated remote attackers to gain full administrative access to the built-in Administrator account. Attackers can authenticate using the hardcoded credential xwebevonewgeneration in a single request to obtain a complete admin session and full control over the application. This product line reached it's end of service date in March 2026.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
CopelandXWEB EVO< 5.6.2

References

Timeline

Published
Nov 12, 2026
Last modified
Nov 13, 2026
NVD status
Deferred

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CVE-2026-124004: Critical severity, CVSS 9.8 | Vulnix