CVE-2026-106931
HighEG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability
7.8 CVSS v3.0
CVSS v4.0: 8.5
- Published
- Oct 14, 2026
- Updated
- Oct 21, 2026
- Vendor
- E-guardian
- Affected versions
- See affected products
- Weakness
- CWE-78
Summary
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.
Severity
High (7.8)CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 (8.5)
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
Affected products
- 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
Exploitation status
Actively exploited
Listed in the CISA Known Exploited Vulnerabilities catalog on Oct 20, 2026. Federal remediation due: Oct 23, 2026.
Technical details
Technical analysis has not been written for this record yet.
Mitigation & remediation
- 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.