CVE-2026-124003

HighCVSS 7.8/10Last modified Nov 13, 2026

Description

XWEB EVO before 5.6.2 contains a command injection vulnerability where the setuid-root Lua CGI interpreter wlua executes system("/usr/bin/lua "+argv) on unsanitized input. Attackers can craft malicious input reached through a .lua CGI endpoint to inject arbitrary commands into the concatenated argv string, achieving command execution with root privileges. This product line reached it's end of service date in March 2026.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-250

Affected software

No affected versions have been published.

Timeline

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

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CVE-2026-124003: High severity, CVSS 7.8 | Vulnix