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CVE-2026-91656

Quick assessment

Affected
Oracle Corporation Oracle Essbase
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Oracle Essbase 组件（联邦分区）中存在安全漏洞。受影响的受支持版本为 21.8.3.0.0。该漏洞易于利用，允许拥有网络访问权限的低权限攻击者通过 HTTP 协议对 Oracle Essbase 实施攻击并造成危害。虽然该漏洞位于 Oracle Essbase 中，但攻击可能显著影响其他产品（即影响范围扩大）。成功利用此漏洞可能导致：未经授权访问关键数据，或获取对 Oracle Essbase 所有可访问数据的完全访问权限；对部分可访问数据执行未经授权的更新、插入或删除操作；以及造成 Oracle E

CVSS 9.1 · Critical EPSS 0.21% · P10

Affected Version Matrix 1

VendorProduct Version RangeStatus
Oracle Corporation Oracle Essbase 21.8.3.0.0 affected
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I. Basic Information for CVE-2026-91656

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Oracle Corporation Oracle Essbase 21.8.3.0.0 -

II. Public POCs for CVE-2026-91656

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III. Intelligence Information for CVE-2026-91656

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Vendor Advisories for CVE-2026-91656 (1)

Same Patch Batch · Oracle Corporation · 2026-10-20 · 1076 CVEs total

CVE-2026-91221 10.0 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程代码执行漏洞
CVE-2026-91216 10.0 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程代码执行漏洞
CVE-2026-87337 10.0 CRITICAL Oracle Access Manager 12.2.1.4.0/14.1.2.1.0 远程代码执行
CVE-2026-91231 10.0 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程代码执行漏洞
CVE-2026-101809 10.0 CRITICAL Oracle EBS 12.2.3-15 Workflow 远程接管漏洞
CVE-2026-91299 10.0 CRITICAL Oracle JD Edwards 9.2.0-9.2.26.5远程代码执行漏洞
CVE-2026-91251 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞
CVE-2026-91354 9.9 CRITICAL Oracle Outside In 8.5.8远程代码执行漏洞
CVE-2026-91222 9.9 CRITICAL Oracle BPM Suite 12.2.1.4.0/14.1.2.0.0 SOAP 远程接管漏洞
CVE-2026-91224 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞
CVE-2026-91232 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0 和 14.1.2.0.0 远程代码执行漏洞
CVE-2026-101446 9.9 CRITICAL Oracle Siebel CRM 17.0-26.9 远程接管漏洞
CVE-2026-91250 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞
CVE-2026-101501 9.9 CRITICAL Oracle Trusted Answer Search 26.1 PL/SQL远程代码执行漏洞
CVE-2026-91638 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 远程接管漏洞
CVE-2026-91637 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 远程接管漏洞
CVE-2026-101503 9.9 CRITICAL Oracle Trusted Answer Search 26.1 远程代码执行漏洞
CVE-2026-101528 9.9 CRITICAL Oracle Enterprise Manager 13.5/24.1 远程代码执行漏洞
CVE-2026-101529 9.9 CRITICAL Oracle Enterprise Manager 13.5/24.1 远程代码执行漏洞
CVE-2026-91663 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 远程代码执行漏洞

Showing top 20 of 1076 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Oracle Essbase
Same vendor: Oracle Corporation

V. Comments for CVE-2026-91656

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