{"id":"CVE-2026-84256","revision":"c397b604118141c9935879e08272bbb5","records":[{"revision":"c397b604118141c9935879e08272bbb5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-84256","aliases":[],"title":"An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.7 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject","description":"An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.7 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject","state":0,"publishedAt":"2026-09-07T07:55:27.465+00:00","modifiedAt":"2026-10-13T22:25:00.499+00:00","affected":[{"ecosystem":"Vendor product","name":"OpenVPN","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"OpenVPN\",\n                    \"product\": \"OpenVPN\",\n                    \"platforms\": [\n                        \"Windows\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"2.1_rc10\",\n                            \"lessThanOrEqual\": \"2.6.22\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"2.7_alpha1\",\n                            \"lessThanOrEqual\": \"2.7.7\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.7,"severity":"HIGH"}],"references":["https://community.openvpn.net/Security%20Announcements/CVE-2026-84256"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-84256","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-84256","identifiers":["CVE-2026-84256"]},"retained":false,"historicalAffected":[]}],"coverage":[]}