Live › vulnerability › CVE-2026-106931
Go to dashboardEG Secure Solutions SiteGuard Server Edition, a web application firewall module for Apache, Nginx and IIS, has an OS command injection flaw. An attacker can run arbitrary operating system commands with root or SYSTEM privileges on the host.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
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.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| EG Secure Solutions SiteGuard Server Edition | vendor | – | – |
| SiteGuard Server Edition (Apache, Nginx, IIS) | vendor | >= 2.20, < 8.00 Update5 (IIS 3.10 to 4.00 Update4 not affected) | 8.00 Update5 |
| SiteGuard Server Edition (FreeBSD Apache, Nginx) | vendor | >= 2.20, < 7.00 Update6 | 7.00 Update6 |
| e-guardian siteguard | vendor | >= 2.20, < 8.00 | 8.00 |
| e-guardian siteguard | vendor | = 8.00 | – |
| e-guardian siteguard | vendor | >= 2.20, < 7.00 | 7.00 |
| e-guardian siteguard | vendor | = 7.00 | – |
| e-guardian siteguard | vendor | >= 2.20, < 3.10 | 3.10 |
| e-guardian siteguard | vendor | >= 4.10, < 8.00 | 8.00 |
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Posts are quoted with a link to the original. They are data to us, never instructions.
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.
CISA 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.
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