CVE-2026-106931 | defend.network

What is CVE-2026-106931?

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.

CVSS7.8 NVD 3.0

SeverityHIGH

ExploitationNo exploitation reported

EPSS1% · P51

Triage statusNo Known Exploit

ActionPatch this week

CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWECWE-78

NVD published2026-10-14

NVD last modified2026-10-16

Timeline

2026-10-14Published to the U.S. National Vulnerability Database (NVD)
2026-10-16NVD record last updated
2026-10-19First covered in a defend.network daily briefing

Affected product

See advisory

Remediation Steps

Apply the vendor security update for SiteGuard WAF Server Edition as a priority.
Restrict network exposure of the affected service to trusted sources until patched.
Review logs and detections for indicators of exploitation.
Confirm fixed versions against the official vendor advisory before deploying.

References

Referenced in our briefings & reports

Vulnerability Priority Report – Week 3 of October 2026 (October 19 – 25)
ConnectWise, BeyondTrust, Drupal: Critical exploits, M365 breach, patched RCEs (2026-10-19)

Browse all tracked CVEs in the defend.network CVE database →

🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.