CVE-2026-10109— IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling
Quick assessment
Affected
IBM Db2
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.
IBM DB2是美国IBM公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2存在代码注入漏洞，该漏洞源于预认证DRDA握手处理不当，可能导致远程代码执行。以下版本受到影响：11.5.0至11.5.9版本和12.1.0至12.1.4版本。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-10109
Vulnerability Information
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Vulnerability Title
IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM DB2 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM DB2是美国IBM公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2存在代码注入漏洞，该漏洞源于预认证DRDA握手处理不当，可能导致远程代码执行。以下版本受到影响：11.5.0至11.5.9版本和12.1.0至12.1.4版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-10109
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-10109 (1)
Same Patch Batch · IBM · 2026-06-30 · 43 CVEs total
| CVE-2026-10134 | 10.0 CRITICAL | Unauthenticated Server-Side RCE via PythonCodeStructuredTool in Public Flows |
| CVE-2026-7873 | 9.9 CRITICAL | Code Injection Vulnerability in Code Validation Endpoint |
| CVE-2026-7871 | 9.8 CRITICAL | Insecure Deserialization in Redis Cache Backend |
| CVE-2026-7803 | 9.8 CRITICAL | Flow Validation Bypass via Empty Component Type Field |
| CVE-2026-10140 | 9.6 CRITICAL | Cross-Tenant API Key Reuse and Billing Fraud in Langflow Voice Mode Subsystem |
| CVE-2026-11708 | 9.3 CRITICAL | IBM WebSphere Application Server is affected by a cross-site scripting vulnerability |
| CVE-2026-11712 | 9.3 CRITICAL | IBM WebSphere Application Server is affected by a cross-site scripting vulnerability |
| CVE-2026-7874 | 9.1 CRITICAL | Weak Cryptographic Key Derivation Exposed All Stored Credentials |
| CVE-2026-7663 | 9.1 CRITICAL | Unauthenticated Cross-User MCP Resource Access and Tool Execution via Streamable Transport |
| CVE-2026-11714 | 8.5 HIGH | IBM WebSphere Application Server Liberty is affected by an authorization bypass vulnerabil |
| CVE-2026-11594 | 8.5 HIGH | IBM WebSphere Application Server is affected by multiple cross-site scripting vulnerabilit |
| CVE-2026-10129 | 8.5 HIGH | SSRF via HTTP Redirect Following in Langflow API Request Component |
| CVE-2026-10564 | 8.2 HIGH | SSRF Vulnerability in Langflow OSS Legacy Components Bypasses Protection |
| CVE-2026-10560 | 8.2 HIGH | Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS |
| CVE-2025-36359 | 8.1 HIGH | IBM DevOps Loop is susceptible to an Insufficient Session Expiration vulnerability. |
| CVE-2026-13449 | 7.6 HIGH | XXE attack in IBM Business Automation Manager Open Editions |
| CVE-2026-13772 | 7.5 HIGH | IBM WebSphere eXtreme Scale's OQL is affected by remote code execution |
| CVE-2026-13759 | 7.5 HIGH | IBM WebSphere eXtreme Scale is affected by Insecure Deserilization |
| CVE-2026-11541 | 7.4 HIGH | Inconsistent Interpretation of HTTP Requests in CICS Transaction Gateway for Multiplatform |
| CVE-2026-11806 | 7.2 HIGH | IBM WebSphere Application Server Liberty is affected by a an arbitrary file read vulnerabi |
Showing top 20 of 43 CVEs. View all on vendor page → →
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