{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-84790",
        "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "state": "PUBLISHED",
        "assignerShortName": "OpenVPN",
        "dateReserved": "2026-09-02T10:17:52.615Z",
        "datePublished": "2026-10-13T21:39:05.221Z",
        "dateUpdated": "2026-10-13T21:45:48.244Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
                "shortName": "OpenVPN",
                "dateUpdated": "2026-10-13T21:45:48.244Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-290",
                            "description": "CWE-290 Authentication bypass by spoofing",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-158",
                            "description": "CWE-158 Improper neutralization of null byte or NUL character",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "OpenVPN",
                    "product": "OpenVPN",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.7_alpha1",
                            "lessThanOrEqual": "2.7.7",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field"
                }
            ],
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://community.openvpn.net/Security%20Announcements/CVE-2026-84790"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 7.6,
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "x_generator": {
                "engine": "cvelib 1.8.0"
            }
        }
    }
}