{"id":"CVE-2026-101586","aliases":["EUVD-2026-105994","GHSA-cqc3-x785-wp5c"],"status":"published","title":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient). ...","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient).  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. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0024,"percentile":0.1526,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-10-20T21:21:43Z","modified":"2026-11-06T17:41:50Z","products":[{"vendor":"oracle corporation","product":"helidon"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101586"},{"url":"https://github.com/advisories/GHSA-cqc3-x785-wp5c"}],"sources":{"cve":[{"id":"CVE-2026-101586","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient).  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. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).","status":"published","published":"2026-10-20T21:21:43.237Z","modified":"2026-11-06T17:41:50.753Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-06T18:59:07.714367Z"}],"euvd":[{"id":"EUVD-2026-105994","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient).  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. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).","status":"published","published":"2026-10-20T21:21:43Z","modified":"2026-11-06T17:41:50Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-06T19:05:53.354277Z"}],"ghsa":[{"id":"GHSA-cqc3-x785-wp5c","title":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient). ...","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient).  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. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).","status":"published","published":"2026-10-21T00:32:15Z","modified":"2026-11-06T18:34:55Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-06T19:01:26.771329Z"}],"nvd":[{"id":"CVE-2026-101586","description":"Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient).  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. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).","status":"published","published":"2026-10-20T22:18:12.033Z","modified":"2026-11-06T18:17:32.423Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-06T20:01:14.453752Z"}]}}