CVE-2026-91652

Modified Modified - Updated After Analysis

Information Disclosure in Oracle Essbase

Publication date: 2026-10-20

Last updated on: 2026-10-27

Assigner: Oracle

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 read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-27

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91652

EUVD

EUVD-2026-106839

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	essbase	21.8.3.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Essbase version 21.8.3.0.0 affecting the Security component. It allows a low-privileged attacker with network access via HTTP to read a subset of data stored in Oracle Essbase. The impact is limited to unauthorized data access without affecting integrity or availability.

Impact Analysis

If exploited, this vulnerability could allow an attacker to read sensitive data stored in Oracle Essbase. This may lead to data breaches, loss of confidential information, or unauthorized access to business-critical data depending on what data is stored in the system.

Compliance Impact

This vulnerability allows unauthorized read access to Oracle Essbase data, which could lead to exposure of sensitive information. This may impact compliance with GDPR (data confidentiality requirements) and HIPAA (protected health information safeguards) if the accessed data falls under their scope.

Mitigation Strategies

Apply the latest security patches from Oracle for Essbase version 21.8.3.0.0. Restrict network access to Oracle Essbase via HTTP to trusted sources only. Monitor for unauthorized read access attempts to Oracle Essbase data.

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