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CVE-2026-108121

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

MEDIUM
6.9
CVSS Score
Published: October 19, 2026 at 05:07 AM UTC
Updated: October 19, 2026 at 09:03 PM UTC
1 product affected across 1 vendorSme Server

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sme Server· Koozali
80%
11.0rc1-215

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://digitalcanion.com/en/security-research/#vendor=koozali

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMNCSC.ch
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20CWE-96CWE-400

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