{"id":"CVE-2026-83459","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-83459","generatedAt":"2026-10-27T23:56:47.314Z","title":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-media-multipart).","description":"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).","published":"2026-09-15T20:18:55.000Z","lastModified":"2026-09-28T15:20:44.000Z","status":"Analyzed","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"cwe":["CWE-400"],"affected":["oracle/helidon"],"epss":{"score":0.00411,"percentile":0.35101,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","tags":["Vendor Advisory"],"source":"secalert_us@oracle.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-83459","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}