CVE-2026-106931High· 7.8▾ Abyssal⚠ Exploited in the wildPoC available

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.

▾ Abyssal zone — Critical with a public exploit or in-the-wild use

Depth score68/ 100 · Elevated

impact 42.9 · likelihood 0.5 · exploitation 25

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

A public proof-of-concept already exists for this vulnerability — see Exploit availability below.

…

Published

Oct 14, 2026

Updated

Oct 14, 2026

CVSS

7.8

Vendor

EG Secure Solutions Inc.

Product

SiteGuard Server Edition for Apache httpd

CWE

CWE-78

Depth score

68 · Elevated

EPSS

2.5% · p85

Platforms

—

Source

NVD

Vector

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

CISA SSVC

decided 2026-10-20

Exploitation: active
Automatable: no
Technical impact: total

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 15.

0.7% → 2.5%▲ 1.9%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

6 events · 12 days

Oct 14, 2026Published
Disclosed via NVD
Oct 15, 2026EPSS first tracked
0.7%
Oct 20, 2026Added to CISA KEV
Federal remediation due Oct 23, 2026
Oct 20, 2026Public exploit observed
Exploit / PoC code exists
Oct 20, 2026Exploitation in the wild observed
Oct 26, 2026EPSS peak
0.7% → 2.5%

EG Secure Solutions Inc.CWE-78 #nvd #cve.org #in-the-wild #exploit-available #kev

CISA KEVKnown Exploited Vulnerability

Added to the CISA catalog on Oct 20, 2026. Federal remediation due Oct 23, 2026. View catalog ↗

Affected

siteguard_server_edition_for_apache_httpd >= Ver2.20 < Ver8.00 Update 5
siteguard_server_edition_for_nginx >= Ver2.20 < Ver8.00 Update 5
siteguard_server_edition_for_iis >= Ver2.20 < Ver8.00 Update 5
siteguard_server_edition_for_apache_httpd_on_freebsd >= Ver2.20 < Ver7.00 Update 6
siteguard_server_edition_for_nginx_on_freebsd >= Ver2.20 < Ver7.00 Update 6

Full technical detail▾

Overview

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Change history

Field changes observed since this record was first indexed.

Oct 22, 2026Added to CISA KEV
Oct 20, 2026Public exploit / PoC published
Oct 20, 2026Exploitation in the wild observed

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org#in-the-wild#exploit-available#kev

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CVE-2026-106931High· 7.8▾ Abyssal⚠ Exploited in the wildPoC available

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.

▾ Abyssal zone — Critical with a public exploit or in-the-wild use

Depth score68/ 100 · Elevated

impact 42.9 · likelihood 0.5 · exploitation 25

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

A public proof-of-concept already exists for this vulnerability — see Exploit availability below.

…

Published

Oct 14, 2026

Updated

Oct 14, 2026

CVSS

7.8

Vendor

EG Secure Solutions Inc.

Product

SiteGuard Server Edition for Apache httpd

CWE

CWE-78

Depth score

68 · Elevated

EPSS

2.5% · p85

Platforms

—

Source

NVD

Vector

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

CISA SSVC

decided 2026-10-20

Exploitation: active
Automatable: no
Technical impact: total

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 15.

0.7% → 2.5%▲ 1.9%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

6 events · 12 days

Oct 14, 2026Published
Disclosed via NVD
Oct 15, 2026EPSS first tracked
0.7%
Oct 20, 2026Added to CISA KEV
Federal remediation due Oct 23, 2026
Oct 20, 2026Public exploit observed
Exploit / PoC code exists
Oct 20, 2026Exploitation in the wild observed
Oct 26, 2026EPSS peak
0.7% → 2.5%

EG Secure Solutions Inc.CWE-78 #nvd #cve.org #in-the-wild #exploit-available #kev

CISA KEVKnown Exploited Vulnerability

Added to the CISA catalog on Oct 20, 2026. Federal remediation due Oct 23, 2026. View catalog ↗

Affected

siteguard_server_edition_for_apache_httpd >= Ver2.20 < Ver8.00 Update 5
siteguard_server_edition_for_nginx >= Ver2.20 < Ver8.00 Update 5
siteguard_server_edition_for_iis >= Ver2.20 < Ver8.00 Update 5
siteguard_server_edition_for_apache_httpd_on_freebsd >= Ver2.20 < Ver7.00 Update 6
siteguard_server_edition_for_nginx_on_freebsd >= Ver2.20 < Ver7.00 Update 6

Full technical detail▾

Overview

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Change history

Field changes observed since this record was first indexed.

Oct 22, 2026Added to CISA KEV
Oct 20, 2026Public exploit / PoC published
Oct 20, 2026Exploitation in the wild observed

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org#in-the-wild#exploit-available#kev