CVE-2026-124004
Dixell/Copeland XWEB EVO Hardcoded Administrator Backdoor Password
CVSS 4.0 9.3 CRITICALCVSS 3.1 9.8 CRITICALCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-124004
PublishedXWEB 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.
Read the publisher's advisoryAffected versions, risk and source history
Related advisories and sources
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2026-124004 · CVE overview and exploitation status
cve-program · CVE-2026-124004
- https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate
- https://webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf
- https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-backdoor-password
- https://www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root
Related changes
Linked by CVE identifier- Dixell/Copeland XWEB EVO Hardcoded Administrator Backdoor Password · Advisory content revised · 13 Nov 2026
- Dixell/Copeland XWEB EVO Hardcoded Administrator Backdoor Password · Newly collected advisory · 12 Nov 2026
- Dixell/Copeland XWEB EVO Hardcoded Administrator Backdoor Password · Advisory content revised · 12 Nov 2026