{"id":"CVE-2026-83330","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-83330","summary":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: WebSocket).  Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows…","details":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: WebSocket).  Supported versions that are affected are 4.0.0-4.5.4. 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 hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).","published":"2026-09-15T20:18:46.207","modified":"2026-09-15T20:18:46.207","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.oracle.com/security-alerts/cspusep2026.html"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-15T20:18:46.207"}}