Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in takeover of Oracle Essbase. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Network Access Exploit Enables Remote Takeover of Oracle Essbase | |
| Weaknesses | CWE-287 |
Fri, 23 Oct 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 | |
| Metrics |
ssvc
|
Wed, 21 Oct 2026 11:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Network Access Exploit Enables Remote Takeover of Oracle Essbase | |
| Weaknesses | CWE-287 |
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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Essbase. Successful attacks of this vulnerability can result in takeover of Oracle Essbase. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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: 2026-10-20T21:26:45.671Z
Updated: 2026-10-23T11:06:20.630Z
Reserved: 2026-09-14T22:10:16.649Z
Link: CVE-2026-91635
Updated: 2026-10-23T10:57:33.663Z
Status : Analyzed
Published: 2026-10-20T22:21:03.460
Modified: 2026-10-23T17:19:29.340
Link: CVE-2026-91635
No data.