{"id":"CVE-2026-108121","aliases":["EUVD-2026-104069","GHSA-2pfr-4hx7-3p8p"],"status":"published","title":"Koozali - SME Server Improper Input Validation in domain Creation Leads to Denial of Service","description":"Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation functionality of koozali's \nSME Server version 11.0rc1-215, allowing an attacker with high privileges \nto inject reserved Apache configuration directives, corrupting \nhttpd.conf and preventing Apache from starting after a server reboot, \nresulting in a denial-of-service (DoS) condition affecting the web \nserver and its hosted virtual hosts.","severity":{"version":"4.0","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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00309,"percentile":0.24037,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-400","CWE-96"],"published":"2026-10-19T05:07:58Z","modified":"2026-10-19T21:03:42Z","products":[{"vendor":"koozali","product":"sme server"}],"references":[{"url":"https://digitalcanion.com/en/security-research/#vendor=koozali"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108121"},{"url":"https://github.com/advisories/GHSA-2pfr-4hx7-3p8p"}],"sources":{"cve":[{"id":"CVE-2026-108121","title":"Koozali - SME Server Improper Input Validation in domain Creation Leads to Denial of Service","description":"Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation functionality of koozali's \nSME Server version 11.0rc1-215, allowing an attacker with high privileges \nto inject reserved Apache configuration directives, corrupting \nhttpd.conf and preventing Apache from starting after a server reboot, \nresulting in a denial-of-service (DoS) condition affecting the web \nserver and its hosted virtual hosts.","status":"published","published":"2026-10-19T05:07:58.68Z","modified":"2026-10-19T17:36:10.887Z","cvss":[{"version":"4.0","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","level":"medium","assessor":"cna"}],"cwes":["CWE-20","CWE-96","CWE-400"],"updated_at":"2026-11-02T14:20:10.510075Z"}],"euvd":[{"id":"EUVD-2026-104069","description":"Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation functionality of koozali's \nSME Server version 11.0rc1-215, allowing an attacker with high privileges \nto inject reserved Apache configuration directives, corrupting \nhttpd.conf and preventing Apache from starting after a server reboot, \nresulting in a denial-of-service (DoS) condition affecting the web \nserver and its hosted virtual hosts.","status":"published","published":"2026-10-19T05:07:58Z","modified":"2026-10-19T17:36:10Z","cvss":[{"version":"4.0","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","level":"medium"}],"updated_at":"2026-11-02T16:59:50.463489Z"}],"ghsa":[{"id":"GHSA-2pfr-4hx7-3p8p","title":"Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation...","description":"Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation functionality of koozali's \nSME Server version 11.0rc1-215, allowing an attacker with high privileges \nto inject reserved Apache configuration directives, corrupting \nhttpd.conf and preventing Apache from starting after a server reboot, \nresulting in a denial-of-service (DoS) condition affecting the web \nserver and its hosted virtual hosts.","status":"published","published":"2026-10-19T06:32:24Z","modified":"2026-10-19T06:32:32Z","cvss":[{"version":"4.0","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/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","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:13:56.45986Z"}],"nvd":[{"id":"CVE-2026-108121","description":"Brian Mariani from DigitalCanion SA has discovered a  vulnerability in the domain creation functionality of koozali's \nSME Server version 11.0rc1-215, allowing an attacker with high privileges \nto inject reserved Apache configuration directives, corrupting \nhttpd.conf and preventing Apache from starting after a server reboot, \nresulting in a denial-of-service (DoS) condition affecting the web \nserver and its hosted virtual hosts.","status":"published","published":"2026-10-19T06:17:22.163Z","modified":"2026-10-19T21:03:42.88Z","cvss":[{"version":"4.0","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/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-20","CWE-96","CWE-400"],"updated_at":"2026-11-02T14:13:00.483792Z"}]}}