HIGHCVSS v3.1 7.8Vulnerability

CVE-2026-124003

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.

Properties

Severity
HIGH
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00686
Cvss severity
HIGH
Cvss score
7.8
Retrieved at
2026-11-14T00:51:03+00:00
Last source
FIRST EPSS
Score
7.8
Cvss version
3.1
Cve id
CVE-2026-124003
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-13T00:03:24+00:00
Name
CVE-2026-124003
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-12T20:18:21.917
Last modified
2026-11-13T15:17:34.417
Epss percentile
0.53173

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-124003 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal