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 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).
History

Fri, 23 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 21 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Title Low-Privilege HTTP Attack Enables Full Takeover of Oracle Essbase
Weaknesses CWE-284
CWE-287

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description 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 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).
First Time appeared Oracle
Oracle essbase
CPEs cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle essbase
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published: 2026-10-20T21:26:51.263Z

Updated: 2026-10-23T11:06:20.785Z

Reserved: 2026-09-14T22:10:16.650Z

Link: CVE-2026-91651

cve-icon Vulnrichment

Updated: 2026-10-23T10:57:35.891Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-20T22:21:05.350

Modified: 2026-10-23T14:59:36.610

Link: CVE-2026-91651

cve-icon Redhat

No data.