CVE-2026-108121

Koozali - SME Server Improper Input Validation in domain Creation Leads to Denial of Service

Published Oct 19, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation functionality of koozali's
SME Server version 11.0rc1-215, allowing an attacker with high privileges
to inject reserved Apache configuration directives, corrupting
httpd.conf and preventing Apache from starting after a server reboot,
resulting in a denial-of-service (DoS) condition affecting the web
server and its hosted virtual hosts.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Koozali
Koozali sme Server
Vendors & Products Koozali
Koozali sme Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation functionality of koozali's SME Server version 11.0rc1-215, allowing an attacker with high privileges to inject reserved Apache configuration directives, corrupting httpd.conf and preventing Apache from starting after a server reboot, resulting in a denial-of-service (DoS) condition affecting the web server and its hosted virtual hosts.
Title Koozali - SME Server Improper Input Validation in domain Creation Leads to Denial of Service
Weaknesses CWE-20
CWE-400
CWE-96
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:P/S:P/AU:Y/R:A/RE:M/U:Amber'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NCSC.ch
Published
Updated
Oct 19, 2026, 5:36 PM
Reserved
Oct 9, 2026, 2:16 PM
Status
Deferred
Published
Oct 19, 2026, 6:17 AM
Modified
Oct 19, 2026, 9:03 PM