---
id: CVE-2026-91650
title: 'Vulnerability in Oracle Essbase (component: Java Based Agent)'
summary: >-
  Vulnerability in Oracle Essbase (component: Java Based Agent).   The supported
  version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability
  allows unauthenticated attacker with network access via HTTP to compromise
  Oracle E…
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'
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: '2026-10-20T21:26:50.892Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91650'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.705Z'
---

## Overview

Vulnerability in Oracle Essbase (component: Java Based Agent).   The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Essbase.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

## Affected

- `oracle_essbase 21.8.3.0.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.