{"id":"CVE-2026-101587","revision":"9731ed78218e409f90be754906806947","records":[{"revision":"9731ed78218e409f90be754906806947","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-101587","aliases":[],"title":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http1).  Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability allows unauthenticated attacker with n…","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http1).  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 ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).","state":0,"publishedAt":"2026-10-20T21:21:43.609+00:00","modifiedAt":"2026-10-22T18:50:24.185+00:00","affected":[{"ecosystem":"Vendor product","name":"Helidon","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Oracle Corporation\",\n                    \"product\": \"Helidon\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.0.0\",\n                            \"status\": \"affected\",\n                            \"lessThanOrEqual\": \"4.5.5\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"version\": \"27.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":"MEDIUM"}],"references":["https://www.oracle.com/security-alerts/cpuoct2026.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101587","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-101587","identifiers":["CVE-2026-101587"]},"retained":false,"historicalAffected":[]}],"coverage":[]}