CRITICALCVSS v3.1 9.1Vulnerability

CVE-2026-91656

Vulnerability in Oracle Essbase (component: Federated Partitions). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows low 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 as well as unauthorized update, insert or delete access to some of Oracle Essbase accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Essbase. CVSS 3.1 Base Score 9.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L).

Properties

Severity
CRITICAL
Nvd fetched at
2026-10-23T02:14:06.697318+00:00
Epss score
0.00208
Cvss score
9.1
Cvss severity
CRITICAL
Retrieved at
2026-10-23T02:20:30+00:00
Score
9.1
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-91656
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
First seen by Signal
2026-10-21T22:34:38+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Published at
2026-10-20T22:21:05.920
Last modified
2026-10-21T18:44:55.490
Epss percentile
0.10402

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CVE-2026-91656 (CVSS v3.1 9.1) — Ninja Signal Threat Intelligence | Ninja Signal