{"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"}}}}