Description
Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable 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 unauthorized access to critical data or complete access to all Oracle Essbase accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
Published: 2026-10-20
Score: 7.7 High
EPSS: < 1% Very Low
KEV: No
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Remediation

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History

Tue, 27 Oct 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 27 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Fri, 23 Oct 2026 20:00:00 +0000

Type Values Removed Values Added
Title Low‑Privileged HTTP Access Allows Unauthorized Data Access in Oracle Essbase

Fri, 23 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo

Wed, 21 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
Title Low‑Privileged HTTP Access Allows Unauthorized Data Access in Oracle Essbase
Weaknesses CWE-284
CWE-285

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

Type Values Removed Values Added
Description Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable 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 unauthorized access to critical data or complete access to all Oracle Essbase accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
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': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-27T21:28:31.781Z

Reserved: 2026-09-14T22:10:16.651Z

Link: CVE-2026-91661

cve-icon Vulnrichment

Updated: 2026-10-27T21:28:26.047Z

cve-icon NVD

Status : Modified

Published: 2026-10-20T22:21:06.493

Modified: 2026-10-27T22:19:07.437

Link: CVE-2026-91661

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T00:15:08Z