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VULNERABILITIES

CVE-2026-91654 Details

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. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Essbase accessible data as well as unauthorized read access to a subset of Oracle Essbase accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Essbase. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.oracle.com/security-alerts/cpuoct2026.html [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]
CWE-284Improper Access ControlCISA-ADP

Affected Products

ProductVersions
oracle essbase
21.8.3.0.0

CPE

  • cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-91654
NVD Published Date:
Oct 20, 2026
NVD Last Modified:
Oct 27, 2026
Source:
[email protected]
CVE-2026-91654 Details - Not Deferred