{"id":"CVE-2026-101584","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101584","generatedAt":"2026-10-28T01:51:06.432Z","title":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-websocket).","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-websocket).  Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 6.5 (Confidentiality and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).","published":"2026-10-20T22:18:12.000Z","lastModified":"2026-10-21T18:39:22.000Z","status":"Deferred","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"},"cwe":[],"affected":[],"epss":{"score":0.00271,"percentile":0.19332,"date":"2026-10-26","history":[{"date":"2026-10-21","score":0.00271,"percentile":0.18446}]},"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 (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-20T22:18:12.000Z","detail":{"score":"6.5","severity":"MEDIUM","publishedAt":"2026-10-20T22:18:11.800Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","source":"secalert_us@oracle.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101584","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."}