CVE-2026-91634

EUVD-2026-106821
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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
oracleCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.53%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
oracleessbase
21.8.3.0.0
CNA
References
https://www.oracle.com/security-alerts/cpuoct2026.html