{"id":"CVE-2026-91651","title":"Vulnerability in Oracle Essbase (component: Essbase Web Platform)","summary":"Vulnerability in Oracle Essbase (component: Essbase Web Platform).   The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracl…","severity":"high","cvss":8.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","vendor":"Oracle Corporation","product":"Oracle Essbase","affected":["oracle_essbase 21.8.3.0.0"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T21:26:51.263Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91651","references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"Oracle Advisory"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.704Z","slug":"CVE-2026-91651","body":"## Overview\n\nVulnerability in Oracle Essbase (component: Essbase Web Platform).   The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase.  While the vulnerability is in Oracle Essbase, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Oracle Essbase. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).\n\n## Affected\n\n- `oracle_essbase 21.8.3.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":46.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}