CVE-2026-124007
Dixell/Copeland XWEB EVO Pre-Auth OS Command Injection via Password Field
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
XWEB EVO before 5.6.2 contains a pre-authentication OS command injection vulnerability that allows unauthenticated remote attackers to execute arbitrary commands by injecting shell metacharacters into the password field. Attackers can exploit the unescaped interpolation of the password value into the hashpass invocation within login.lua, cleanout.lua, and api.lua to achieve root-level command execution via the setuid wlua interpreter. This product line reached it's end of service date in March 2026.
| CWE | CWE-78 |
| Vendor | copeland |
| Product | xweb evo |
| Published | Nov 12, 2026 |
| Last Updated | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Copeland / XWEB EVO
0 < 5.6.2
References
webapps.copeland.com: https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate webapps.copeland.com: https://webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf vulncheck.com: https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-pre-auth-os-command-injection-via-password-field
Credits
Valentin Lobstein (Chocapikk)