CVE entry · CVE-2026-106931
CVE-2026-106931: EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability
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.
- Actively exploited: added to CISA’s KEV catalog on October 20, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: October 23, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes EG Secure Solutions SiteGuard Server Edition, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (www.eg-secure.co.jp)
- NVD entry (NIST)
- CISA KEV catalog