CVE-2026-106931: EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability

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What CISA has confirmed

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.

Known exploited: Yes — this CVE appears in CISA’s Known Exploited Vulnerabilities catalog. This does not by itself establish a CVSS score.

Recommended next steps

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.

Verify the advisory and affected versions

Confirm the affected product and version, then follow the vendor’s official security advisory. Do not assume this notice confirms a patch is already available.

Vendor advisory referenced by CISA

CISA KEV catalog · CVE record at NVD