CVE-2026-91630

Oracle Essbase HTTP Privilege Escalation Leading to Unauthorized Data Access

Published Oct 20, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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 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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Oracle Essbase HTTP Privilege Escalation Leading to Unauthorized Data Access
Type Values Removed Values Added
Title Oracle Essbase High-Privilege HTTP Data Access Vulnerability
Weaknesses CWE-266
CWE-285
Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Title Oracle Essbase High-Privilege HTTP Data Access Vulnerability
Weaknesses CWE-266
CWE-285
Type Values Removed Values Added
Title High‑Privilege Remote HTTP Exploit Enabling Unauthorized Data Access in Oracle Essbase 21.8.3.0.0
Weaknesses CWE-200
CWE-284
Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
Type Values Removed Values Added
Title High‑Privilege Remote HTTP Exploit Enabling Unauthorized Data Access in Oracle Essbase 21.8.3.0.0
Weaknesses CWE-200
CWE-284
Type Values Removed Values Added
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 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).
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': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 26, 2026, 9:03 PM
Reserved
Sep 14, 2026, 10:10 PM
Status
Modified
Published
Oct 20, 2026, 10:21 PM
Modified
Oct 26, 2026, 10:17 PM