CVE-2026-91503
Quick assessment
Affected
Oracle Corporation Oracle Database Server
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 数据库服务器中的 VPD（虚拟私有数据库）组件存在安全漏洞。受影响的已支持版本包括：19.3 至 19.32、21.3 至 21.23，以及 23.4.0 至 23.26.3。该漏洞易于被利用，允许拥有"CREATE TABLE"权限的低权限攻击者，通过 Oracle Net 进行网络访问，从而破坏 VPD 机制。成功利用此漏洞可导致对关键数据或所有 VPD 可访问数据的未经授权的创建、删除或修改操作，以及未经授权的访问，甚至实现对所有 VPD 可访问数据的完全访问。CVSS 3.1 基础评分为 8.
Possible ATT&CK Techniques 2 AI
T1069 · Permission Groups Discovery T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server | 19.3≤ 19.32 |
affected |
21.3≤ 21.23 |
affected | ||
23.4.0≤ 23.26.3 |
affected |
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I. Basic Information for CVE-2026-91503
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in the VPD component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise VPD. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all VPD accessible data as well as unauthorized access to critical data or complete access to all VPD accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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 Database Server | 19.3 ~ 19.32 | - |
|
II. Public POCs for CVE-2026-91503
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-91503 (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
V. Comments for CVE-2026-91503
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