{"id":"CVE-2026-101570","title":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-http2)","summary":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-http2).  Supported versions that are affected are 4.0.0-4.5.5. Difficult to exploit vulnerability allows unauthenticated attacker with network…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","cvssSource":"cna","vendor":"Oracle Corporation","product":"Helidon","affected":["Helidon >= 4.0.0 <= 4.5.5"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T21:21:36.913Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101570","references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"Oracle Advisory"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.986Z","slug":"CVE-2026-101570","body":"## Overview\n\nVulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-http2).  Supported versions that are affected are 4.0.0-4.5.5. Difficult to exploit 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 partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 3.7 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).\n\n## Affected\n\n- `Helidon >= 4.0.0 <= 4.5.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}