CVE-2026-84256

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{"bugzilla": {"description": "OpenVPN: OpenVPN: Arbitrary command execution via crafted certificate subject", "id": "2529309", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529309"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-88", "details": ["A flaw was found in OpenVPN on Windows. An argument parsing issue allows remote authenticated users to execute arbitrary commands by providing a specially crafted certificate subject. This vulnerability could lead to a complete compromise of the affected system."], "name": "CVE-2026-84256", "public_date": "2026-09-07T07:55:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-84256\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-84256\nhttps://community.openvpn.net/Security%20Announcements/CVE-2026-84256"], "statement": "Important: This vulnerability in OpenVPN allows remote authenticated users to execute arbitrary commands through a crafted certificate subject. However, this flaw specifically impacts OpenVPN installations on Windows platforms and does not affect OpenVPN packages provided within Red Hat's Linux-based distributions.", "threat_severity": "Important"}

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