CVE-2026-91634

Published Oct 20, 2026 CVSS 3.1 · 5.3 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 unauthenticated attacker with network access via T3, IIOP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Unauthenticated Data Disclosure via T3/IIOP in Oracle Essbase
Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
Type Values Removed Values Added
Title Unauthenticated Data Disclosure via T3/IIOP in Oracle Essbase
Weaknesses CWE-200
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 unauthenticated attacker with network access via T3, IIOP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 27, 2026, 12:57 PM
Reserved
Sep 14, 2026, 10:10 PM
Status
Modified
Published
Oct 20, 2026, 10:21 PM
Modified
Oct 27, 2026, 1:17 PM