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CVE-2026-91646

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（安全模块）存在漏洞。受影响的受支持版本为 21.8.3.0.0。该漏洞难以利用，但允许拥有网络访问权限的未认证攻击者通过 T3 或 IIOP 协议入侵 Oracle Essbase。成功利用此漏洞可能导致以下后果：对部分 Oracle Essbase 可访问数据执行未经授权的更新、插入或删除操作；对部分 Oracle Essbase 可访问数据执行未经授权的读取操作；以及导致 Oracle Essbase 出现部分拒绝服务（部分 DoS）的未经授权能力。CVSS 3.1 基础评分

CVSS 5.6 · Medium EPSS 0.25% · P16

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-2026-91646

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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 unauthorized update, insert or delete access to some of Oracle Essbase accessible data as well as unauthorized read access to a subset 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 5.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/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-2026-91646

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III. Intelligence Information for CVE-2026-91646

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Vendor Advisories for CVE-2026-91646 (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-2026-91299 10.0 CRITICAL Oracle JD Edwards 9.2.0-9.2.26.5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-2026-91251 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞
CVE-2026-91222 9.9 CRITICAL Oracle BPM Suite 12.2.1.4.0/14.1.2.0.0 SOAP 远程接管漏洞
CVE-2026-91354 9.9 CRITICAL Oracle Outside In 8.5.8远程代码执行漏洞
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-2026-101528 9.9 CRITICAL Oracle Enterprise Manager 13.5/24.1 远程代码执行漏洞
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-2026-101503 9.9 CRITICAL Oracle Trusted Answer Search 26.1 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-2026-91658 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 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-2026-91646

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