CVE-2026-124004
Received Received - Intake

Hardcoded Backdoor Password in XWEB EVO

Publication date: 2026-11-12

Last updated on: 2026-11-12

Assigner: VulnCheck

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.

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Meta Information

Published
2026-11-12
Last Modified
2026-11-12
Generated
2026-11-12
AI Q&A
2026-11-12
EPSS Evaluated
N/A
NVD
CVE-2026-124004
EUVD
EUVD-2026-124639

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
xweb evo to 5.6.2 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-798 The product contains hard-coded credentials, such as a password or cryptographic key.

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Executive Summary

CVE-2026-124004 is a critical vulnerability in XWEB EVO systems before version 5.6.2. It involves a hardcoded backdoor password that allows unauthenticated remote attackers to gain full administrative access to the built-in Administrator account by using the credential 'xwebevonewgeneration' in a single request.

Detection Guidance

To detect this vulnerability, check if your XWEB EVO system is running a version prior to 5.6.2. You can verify the version through the web interface or system logs. Additionally, monitor network traffic for authentication attempts using the hardcoded password 'xwebevonewgeneration'.

Impact Analysis

Attackers can exploit this vulnerability to gain complete control over the XWEB EVO application, including administrative privileges. This could lead to unauthorized access, data manipulation, or system disruption. Since the product reached end-of-service in March 2026, no patches are available.

Mitigation Strategies

Immediately upgrade XWEB EVO to version 5.6.2 or later if available. Since the product line reached end-of-service in March 2026, no further patches will be released. If upgrading is not possible, isolate the system from untrusted networks and disable remote access.

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