Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Difficult to exploit 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 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
History

Fri, 23 Oct 2026 19:45:00 +0000

Type Values Removed Values Added
Title Unauthenticated TCP Remote Code Execution in Oracle Essbase 21.8.3.0.0

Fri, 23 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Title Remote Access Exploitation in Oracle Essbase
Weaknesses CWE-602

Fri, 23 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 21 Oct 2026 11:15:00 +0000

Type Values Removed Values Added
Title Remote Access Exploitation in Oracle Essbase
Weaknesses CWE-602

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Difficult to exploit 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 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
First Time appeared Oracle
Oracle essbase
CPEs cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle essbase
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published: 2026-10-20T21:26:49.837Z

Updated: 2026-10-23T11:06:20.471Z

Reserved: 2026-09-14T22:10:16.650Z

Link: CVE-2026-91647

cve-icon Vulnrichment

Updated: 2026-10-23T10:57:31.990Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-20T22:21:04.900

Modified: 2026-10-23T17:19:13.367

Link: CVE-2026-91647

cve-icon Redhat

No data.