CVE-2026-91665

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in takeover of Oracle Essbase. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
References
Configurations

Configuration 1 (hide)

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

History

22 Oct 2026, 13:57

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

21 Oct 2026, 11:17

Type Values Removed Values Added
CWE CWE-287
CWE-306

20 Oct 2026, 22:21

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-20 22:21

Updated : 2026-10-22 23:20


NVD link : CVE-2026-91665

Mitre link : CVE-2026-91665

CVE.ORG link : CVE-2026-91665


JSON object : View

Products Affected

oracle

  • essbase
CWE
CWE-287

Improper Authentication

CWE-306

Missing Authentication for Critical Function