Oracle Essbase vulnerabilities
39 known CVE vulnerabilities in Oracle Essbase, translated and rated.
- CVE-2026-91665Critical
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. An easily exploitable vulnerability allows an unauthenticated attacker with network access via TCP to compromise Oracle Essbase. CVSS 3.1 Base Score 9.8.
- CVE-2026-91663Critical
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. An easily exploitable vulnerability allows a low-privileged attacker with network access via T3, IIOP to compromise Oracle Essbase, with potential impact on additional products (scope change). CVSS 3.1 Base Score 9.9.
- CVE-2026-91658Critical
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. An easily exploitable vulnerability allows a low-privileged attacker with network access via HTTP to compromise Oracle Essbase, with potential impact on additional products (scope change). CVSS 3.1 Base Score 9.9.
- CVE-2026-91656Critical
Vulnerability in Oracle Essbase (component: Federated Partitions) affecting version 21.8.3.0.0. An easily exploitable vulnerability allows a low-privileged attacker with network access via HTTP to gain unauthorized access to critical data, update, insert or delete it, and cause a partial denial of service, with potential impact on additional products (scope change). CVSS 3.1 Base Score 9.1.
- CVE-2026-91655Critical
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with network access via HTTP can exploit it to gain unauthorized access to critical data, modify data, and cause partial denial of service. CVSS 9.1.
- CVE-2026-91644Critical
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. An unauthenticated attacker with network access via HTTP can gain unauthorized access to critical data and modify data. CVSS 9.3.
- CVE-2026-91638Critical
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with network access via HTTP can take over Oracle Essbase. CVSS 9.9.
- CVE-2026-91637Critical
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with network access via HTTP can take over Oracle Essbase. CVSS 9.9.
- CVE-2026-70689Critical
Vulnerability in Oracle Essbase (component: Infrastructure) version 21.8.1.0.0. Easily exploitable by an unauthenticated attacker over HTTP, allowing takeover of the system. CVSS score 9.8.
- CVE-2026-91664High
A vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. An easily exploitable flaw allows an unauthenticated attacker with network access via TCP to cause a hang or frequently repeatable crash (full DoS).
- CVE-2026-91662Medium
Vulnerability in Oracle Essbase (component: Java Based Agent). The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Essbase executes 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.
- CVE-2026-91661High
A vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. An easily exploitable flaw allows a low-privileged attacker with network access via HTTP to gain unauthorized access to critical data or all Oracle Essbase accessible data.
- CVE-2026-91660Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with HTTP network access can cause a partial denial of service.
- CVE-2026-91659High
A vulnerability in Oracle Essbase (Build component) affecting version 21.8.3.0.0. An easily exploitable flaw allows a low-privileged attacker with network access via HTTP to gain unauthorized access to critical data or all Oracle Essbase accessible data.
- CVE-2026-91657Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with HTTP network access can gain unauthorized read access to a subset of Essbase data.
- CVE-2026-91654Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with HTTP network access can perform unauthorized update, insert or delete operations, read a subset of data, and cause a partial denial of service.
- CVE-2026-91653High
Vulnerability in Oracle Essbase (component: Essbase Web Platform) affecting version 21.8.3.0.0. A low privileged attacker with network access via HTTP can gain unauthorized access to critical data and update, insert or delete some Essbase data, with possible impact on additional products.
- CVE-2026-91652Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with HTTP network access can gain unauthorized read access to a subset of Essbase data, and attacks may significantly impact additional products (scope change).
- CVE-2026-91651High
Vulnerability in Oracle Essbase (component: Essbase Web Platform) affecting version 21.8.3.0.0. A difficult to exploit HTTP attack by a low privileged attacker can lead to takeover of Essbase and impact additional products.
- CVE-2026-91650Low
Vulnerability in Oracle Essbase (component: Java Based Agent). The supported version that is affected is 21.8.3.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP 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 3.7 (Confidentiality impacts).
- CVE-2026-91649Medium
Vulnerability in Oracle Essbase (Java Based Agent component) affecting version 21.8.3.0.0. A high-privileged attacker with logon to the Essbase infrastructure can gain unauthorized access to critical or all Essbase data, with possible impact on additional products.
- CVE-2026-91648Medium
Vulnerability in Oracle Essbase (Java Based Agent component) affecting version 21.8.3.0.0. An unauthenticated attacker with TCP network access can gain unauthorized read access to a subset of Essbase data.
- CVE-2026-91647High
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. A difficult to exploit TCP attack by an unauthenticated attacker can lead to takeover of Essbase.
- CVE-2026-91646Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. An unauthenticated attacker with network access via T3 or IIOP can perform unauthorized update, insert or delete operations, read a subset of data, and cause a partial denial of service.
- CVE-2026-91645Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. An unauthenticated attacker with HTTP network access can gain unauthorized read access to a subset of Essbase data.
- CVE-2026-91643Medium
Vulnerability in Oracle Essbase (Java Based Agent component) affecting version 21.8.3.0.0. An unauthenticated attacker with HTTP network access can gain unauthorized read access to a subset of Essbase data.
- CVE-2026-91642High
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. An easily exploitable HTTP attack by an unauthenticated attacker allows updating, inserting or deleting some data, unauthorized read of a subset of data and partial denial of service.
- CVE-2026-91641Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low-privileged attacker with HTTP network access can gain unauthorized read access to a subset of Essbase data, and attacks may significantly impact additional products (scope change).
- CVE-2026-91640Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. It allows a low privileged attacker with network access via HTTP to gain unauthorized read access to a subset of Oracle Essbase accessible data, with potential impact on additional products (scope change).
- CVE-2026-91639High
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. An easily exploitable HTTP attack by a low privileged attacker allows unauthorized access to critical data or complete access to all Essbase data, with possible impact on additional products.
- CVE-2026-91636High
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. An easily exploitable HTTP attack by a low privileged attacker allows unauthorized access to critical data or complete access to all Essbase data, with possible impact on additional products.
- CVE-2026-91635High
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. A difficult to exploit T3 and IIOP attack by an unauthenticated attacker can lead to takeover of Essbase.
- CVE-2026-91634Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. An unauthenticated attacker with network access via T3 or IIOP can gain unauthorized read access to a subset of Oracle Essbase accessible data.
- CVE-2026-91633Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A high privileged attacker with logon to the infrastructure where Oracle Essbase executes can gain unauthorized access to critical data or complete access to all Oracle Essbase accessible data, with potential impact on additional products (scope change).
- CVE-2026-91632High
Vulnerability in Oracle Essbase (component: Security) affecting version 21.8.3.0.0. An easily exploitable HTTP attack by a low privileged attacker allows unauthorized access to critical data or complete access to all Essbase data, with possible impact on additional products.
- CVE-2026-91631Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A low privileged attacker with network access via HTTP can gain unauthorized read access to a subset of Oracle Essbase accessible data, with potential impact on additional products (scope change).
- CVE-2026-91630Medium
Vulnerability in Oracle Essbase (Security component) affecting version 21.8.3.0.0. A high privileged attacker with network access via HTTP can gain unauthorized access to critical data or complete access to all Oracle Essbase accessible data, with potential impact on additional products (scope change).
- CVE-2026-70688High
Vulnerability in Oracle Essbase (Calculator component) version 21.8.1.0.0. A low privileged attacker with network access via HTTP can take over the system. CVSS 8.8 (Confidentiality, Integrity, Availability impacts).
- CVE-2025-61763High
Vulnerability in Oracle Essbase (Essbase Web Platform component) version 21.7.3.0.0. A low-privileged attacker can access via HTTP to compromise data, including unauthorized creation, deletion, or modification. CVSS 8.1.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

