CVE-2026-106931 Details
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.
A command injection vulnerability allowing arbitrary operating system commands to be executed with root or SYSTEM privileges has been identified in SiteGuard Server Edition by EG Secure Solutions Inc. This vulnerability affects versions 2.20 and later, excluding certain IIS versions, and arises when the statistics feature, enabled by default, is active.
Users are advised to update to SiteGuard Server Edition version 8.00 Update 5 for Apache, Nginx, or IIS, or version 7.00 Update 6 for FreeBSD Apache or Nginx. For those unable to upgrade, a patch is available that can be applied to end-of-life versions.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-106931 | CISA-ADP | US Government Resource |
| https://jvn.jp/en/jp/JVN88474777/ | [email protected] | Third Party Advisory |
| https://www.eg-secure.co.jp/siteguard/news/alert-202610-1 | [email protected] | Vendor Advisory |
This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.
| Vulnerability Name | Date Added | Due Date | Required Action |
|---|---|---|---|
| EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability | Oct 20, 2026 | Oct 23, 2026 | 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. |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| e-guardian siteguard | >= 2.20, < 8.00 8.00 - 8.00 update1 8.00 update2 8.00 update3 >= 2.20, < 7.00 7.00 - 7.00 update1 7.00 update2 7.00 update3 7.00 update4 7.00 update5 >= 2.20, < 3.10 >= 4.10, < 8.00 8.00 update4 |
CPE
Remediation
| |
| freebsd freebsd | All versions |
CPE
Remediation
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Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 21, 2026 | Initial Analysis | [email protected] |
| Oct 21, 2026 | CVE Modified | CISA-ADP |
| Oct 20, 2026 | CVE CISA KEV Update | Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government |
| Oct 20, 2026 | CVE Modified | CISA-ADP |
| Oct 16, 2026 | CVE Modified | CISA-ADP |
| Oct 14, 2026 | CVE Modified | [email protected] |
| Oct 14, 2026 | New CVE Received | [email protected] |