{"id":"CVE-2026-73937","details":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).  Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 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 and  unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H).","modified":"2026-08-29T03:46:57.450738828Z","published":"2026-08-18T21:04:15.282Z","database_specific":{"cna_assigner":"oracle","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73937.json","unresolved_ranges":[{"extracted_events":[{"introduced":"4.0.0"},{"last_affected":"4.4.1"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"4.0.0"},{"last_affected":"4.4.1"}],"source":"CPE_FIELD"}]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73937.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73937"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cspuaug2026.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/helidon-io/helidon","events":[{"introduced":"e63e3d63f875f9c1f4e34d92375107f0b34d9d5c"},{"last_affected":"e63e3d63f875f9c1f4e34d92375107f0b34d9d5c"}],"database_specific":{"cpe":"cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.5.0"},{"last_affected":"4.5.0"}],"source":"CPE_STRING"}}],"versions":["4.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-73937.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}]}