CVE-2026-91630

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 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 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cpuoct2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

26 Oct 2026, 22:17

Type	Values Removed	Values Added
CWE		CWE-200

23 Oct 2026, 17:19

Type	Values Removed	Values Added
References	~~() https://www.oracle.com/security-alerts/cpuoct2026.html -~~	() https://www.oracle.com/security-alerts/cpuoct2026.html - Vendor Advisory
CWE		NVD-CWE-noinfo
First Time		Oracle essbase Oracle
CPE		cpe:2.3:a:oracle:essbase:21.8.3.0.0:::::::*

20 Oct 2026, 22:21

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 22:21

Updated : 2026-10-26 22:17

NVD link : CVE-2026-91630

Mitre link : CVE-2026-91630

CVE.ORG link : CVE-2026-91630

JSON object : View

Products Affected

oracle

essbase

CWE

NVD-CWE-noinfo CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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