CVE-2026-91633

Medium

Description

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Essbase executes 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 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

SeverityMedium
CVSS6.0
Exploit probability—
ProductOracle Essbase
PublishedOct 20, 2026
First seenOct 20, 2026

How to fix

Affected products

ProductAffected versionsFixed in
oracle essbase21.8.3.0.0—

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