Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via T3, IIOP 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 takeover of Oracle Essbase. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html |
|
History
Fri, 23 Oct 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Remote Code Execution via T3/IIOP in Oracle Essbase 21.8.3.0.0 |
Fri, 23 Oct 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Low Privileged Remote Exploit in Oracle Essbase via T3/IIOP | |
| Weaknesses | CWE-937 |
Fri, 23 Oct 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 | |
| Metrics |
ssvc
|
Wed, 21 Oct 2026 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Low Privileged Remote Exploit in Oracle Essbase via T3/IIOP | |
| Weaknesses | CWE-937 |
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. Easily exploitable vulnerability allows low privileged attacker with network access via T3, IIOP 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 takeover of Oracle Essbase. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-10-20T21:26:55.534Z
Updated: 2026-10-23T11:06:20.934Z
Reserved: 2026-09-14T22:10:16.651Z
Link: CVE-2026-91663
Updated: 2026-10-23T10:57:37.743Z
Status : Analyzed
Published: 2026-10-20T22:21:06.723
Modified: 2026-10-23T17:18:32.390
Link: CVE-2026-91663
No data.