CVE-2026-124004
Last modified
CVE-2026-124004 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.76% chance of exploitation in the next 30 days.
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
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Copeland | XWEB EVO | < 5.6.2 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-124004?
How severe is CVE-2026-124004?
How do I fix CVE-2026-124004?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-123999NASA JPL ION-DTN 3.6.2 through 4.2.0 contains a heap-based b…7.5
- CVE-2026-12400The FlowForms – Conversational Form Builder plugin for WordP…4.3
- CVE-2026-124000NASA JPL ION-DTN 2.1.0 through 4.2.0 contains a heap buffer …5.3
- CVE-2026-124001NASA JPL ION-DTN 2.2.1b through 4.2.0 contains an integer ov…8.1
- CVE-2026-124002XWEB EVO versions 5.2.3 through before 5.7.0 contains a pre-…9.8
- CVE-2026-124003XWEB EVO before 5.6.2 contains a command injection vulnerabi…7.8
- CVE-2026-124005XWEB EVO 4.3.0 through 5.8.8 contains a weak password genera…8.1
- CVE-2026-124006XWEB EVO through 5.8.8 contains a predictable credential gen…8.1
- CVE-2026-124007XWEB EVO before 5.6.2 contains a pre-authentication OS comma…8.1
- CVE-2026-124008XWEB EVO 5.2.3 through 5.8.8 contains an authenticated OS co…7.2
- CVE-2026-124009XWEB EVO 5.2.3 through 5.8.8 contains an authenticated OS co…7.2
- CVE-2026-124010XWEB EVO before 5.6.2 contains a command injection vulnerabi…9.8
Are you affected by CVE-2026-124004?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST