CVEvulnerability

CVE-2026-106931

8.5 HIGH Known exploited Published 2026-10-14 Modified 2026-10-21 Official page ↗

CISA Known Exploited Vulnerability

EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability — EG Secure Solutions SiteGuard Server Edition

EG Secure Solutions SiteGuard Server Edition contains an OS command injection vulnerability which may allow an attacker to execute arbitrary OS commands with root or SYSTEM privileges on the system running the affected product.

Added to KEV: 2026-10-20
Remediation due: 2026-10-23
Ransomware use: Unknown
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notes: https://www.eg-secure.co.jp/siteguard/news/alert-202610-1 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-106931

Status: Analyzed
Published: 2026-10-14
Last modified: 2026-10-21
Assigner: [email protected]
CVSS 4.0 ([email protected]): 8.5 HIGH — CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.0 ([email protected]): 7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-78

Description

SiteGuard Server Edition contains an OS command injection vulnerability, which may allow an attacker to execute arbitrary OS commands with root or SYSTEM privileges on the system running the affected product.

Affected configurations

• e-guardian siteguard (>= 2.20 < 8.00) • e-guardian siteguard 8.00 • e-guardian siteguard (>= 2.20 < 7.00) • e-guardian siteguard 7.00 • e-guardian siteguard (>= 2.20 < 3.10) • e-guardian siteguard (>= 4.10 < 8.00)

Weakness · CWE (1)

CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References