{"cvss":7.5,"datePublished":"2026-09-15T20:19:18.897","dateUpdated":"2026-09-16T19:42:12.090","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-static-content).  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).","id":"CVE-2026-87289","raw":{"affected":[{"affectedData":[{"product":"Helidon","vendor":"Oracle Corporation","versions":[{"lessThanOrEqual":"4.5.4","status":"affected","version":"4.0.0","versionType":"custom"}]}],"source":"secalert_us@oracle.com"}],"cveTags":[],"descriptions":[{"lang":"en","value":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-static-content).  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)."}],"id":"CVE-2026-87289","lastModified":"2026-09-16T19:42:12.090","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","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:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"secalert_us@oracle.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-87289","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-15T23:12:21.730782Z","version":"2.0.3"}}]},"published":"2026-09-15T20:19:18.897","references":[{"source":"secalert_us@oracle.com","url":"https://www.oracle.com/security-alerts/cspusep2026.html"}],"sourceIdentifier":"secalert_us@oracle.com","vulnStatus":"Awaiting Analysis","weaknesses":[{"description":[{"lang":"en","value":"CWE-400"}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}]},"severity":"HIGH","source":"nvd","title":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-static-content)"}