{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8367","assignerOrgId":"5ac1ecc2-367a-4d16-a0b2-35d495ddd0be","state":"PUBLISHED","assignerShortName":"tenable","dateReserved":"2026-05-11T20:46:54.600Z","datePublished":"2026-05-13T14:55:09.815Z","dateUpdated":"2026-05-13T18:35:03.804Z"},"containers":{"cna":{"providerMetadata":{"orgId":"5ac1ecc2-367a-4d16-a0b2-35d495ddd0be","shortName":"tenable","dateUpdated":"2026-05-13T14:55:09.815Z"},"title":"aria2c Improper Certificate Validation","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-295","description":"CWE-295 Improper certificate validation","type":"CWE"}]}],"affected":[{"vendor":"aria2_project","product":"aria2c","versions":[{"status":"affected","version":"0","lessThanOrEqual":"1.37.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication.","supportingMedia":[{"type":"text/html","base64":false,"value":"aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication."}]}],"references":[{"url":"https://www.tenable.com/security/research/tra-2026-38"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":4.8,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T18:34:53.422858Z","id":"CVE-2026-8367","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-13T18:35:03.804Z"}}]}}