{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-83459", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-08-31T15:40:57.360Z", "datePublished": "2026-09-15T20:05:42.515Z", "dateUpdated": "2026-09-15T20:05:42.515Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-09-15T20:05:42.515Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon."}]}], "affected": [{"vendor": "Oracle Corporation", "product": "Helidon", "versions": [{"version": "3.0.0", "status": "affected", "lessThanOrEqual": "3.2.20", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0.0", "versionEndIncluding": "3.2.20"}]}]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-media-multipart). Supported versions that are affected are 3.0.0-3.2.20. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cspusep2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}]}}}

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{"affected": [{"affectedData": [{"product": "Helidon", "vendor": "Oracle Corporation", "versions": [{"lessThanOrEqual": "3.2.20", "status": "affected", "version": "3.0.0", "versionType": "custom"}]}], "source": "secalert_us@oracle.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-media-multipart). Supported versions that are affected are 3.0.0-3.2.20. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)."}], "id": "CVE-2026-83459", "lastModified": "2026-09-15T20:18:54.710", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "secalert_us@oracle.com", "type": "Primary"}]}, "published": "2026-09-15T20:18:54.710", "references": [{"source": "secalert_us@oracle.com", "url": "https://www.oracle.com/security-alerts/cspusep2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Received"}

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