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.
History

Mon, 19 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Koozali
Koozali sme Server
Vendors & Products Koozali
Koozali sme Server

Mon, 19 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 19 Oct 2026 05:30:00 +0000

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published: 2026-10-19T05:07:58.680Z

Updated: 2026-10-19T17:36:10.887Z

Reserved: 2026-10-09T14:16:12.766Z

Link: CVE-2026-108121

cve-icon Vulnrichment

Updated: 2026-10-19T17:36:02.143Z

cve-icon NVD

Status : Deferred

Published: 2026-10-19T06:17:22.163

Modified: 2026-10-19T21:03:42.880

Link: CVE-2026-108121

cve-icon Redhat

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