MEDIUMCVSS v4 6.9Vulnerability

CVE-2026-108121

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00309
Cvss severity
MEDIUM
Cvss score
6.9
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
6.9
Cvss version
4.0
Cve id
CVE-2026-108121
Cvss 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:A/V:X/RE:M/U:Amber
First seen by Signal
2026-10-19T06:58:53+00:00
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:A/V:X/RE:M/U:Amber
Published at
2026-10-19T06:17:22.163
Last modified
2026-10-19T21:03:42.880
Epss percentile
0.22334

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CVE-2026-108121 (CVSS v4 6.9) — Ninja Signal Threat Intelligence | Ninja Signal