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CVE-2026-13476— IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution

Quick assessment

Affected
IBM Informix Dynamic 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.

IBM Informix Dynamic Server是美国IBM公司的一款企业级关系型数据库管理系统。 IBM Informix Dynamic Server 14.10版本、15.0版本和12.10版本存在命令注入漏洞，该漏洞源于对用户提供的输入验证不当，可能导致未经身份验证的用户利用服务账户权限在系统上执行任意命令。

CVSS 7.3 · High EPSS 0.43% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
IBM Informix Dynamic Server 14.10 affected
15.0 affected
12.10 affected
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I. Basic Information for CVE-2026-13476

Vulnerability Information
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Vulnerability Title
IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user supplied input.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Informix Dynamic Server 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Informix Dynamic Server是美国IBM公司的一款企业级关系型数据库管理系统。 IBM Informix Dynamic Server 14.10版本、15.0版本和12.10版本存在命令注入漏洞，该漏洞源于对用户提供的输入验证不当，可能导致未经身份验证的用户利用服务账户权限在系统上执行任意命令。
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

Vendor Product Affected Versions CPE Subscribe
IBM Informix Dynamic Server 14.10 cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-13476

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III. Intelligence Information for CVE-2026-13476

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Vendor Advisories for CVE-2026-13476 (1)

Same Patch Batch · IBM · 2026-08-12 · 68 CVEs total

CVE-2024-27253 10.0 CRITICAL IBM Engineering Requirements Management DOORS Next is impacted by vulnerability in Reviews
CVE-2026-16860 9.9 CRITICAL IBM i is Affected By Remote Code Execution Vulnerability []
CVE-2026-16956 9.8 CRITICAL IBM Db2 Mirror for i is vulnerable to OS command injection []
CVE-2026-17218 9.8 CRITICAL IBM i is Affected By Remote Code Execution Vulnerability in Line Printer Daemon []
CVE-2026-17083 9.8 CRITICAL IBM i is Affected By Multiple Vulnerabilities in the Debug Server
CVE-2026-17276 9.6 CRITICAL IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-18099 8.9 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-17110 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in SQL
CVE-2026-17082 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in the Debug Server
CVE-2026-18683 8.8 HIGH IBM i is Affected By privilege escalation in Navigator for i
CVE-2026-18847 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-17417 8.8 HIGH IBM i is Affected By Remote Code Execution Vulnerabilities [, ]
CVE-2026-13361 8.8 HIGH IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Executi
CVE-2026-13105 8.8 HIGH IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
CVE-2026-17642 8.8 HIGH IBM i is Affected By Remote Code Execution Vulnerabilities [, ]
CVE-2026-18669 8.8 HIGH IBM i is Affected By A Privilege Escalation Vulnerability []
CVE-2026-16906 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Domain Name System
CVE-2026-16856 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Domain Name System
CVE-2026-18713 8.8 HIGH IBM i is Affected By Multiple Vulnerabilities in Navigator for i
CVE-2026-12004 8.7 HIGH Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve

Showing top 20 of 68 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Informix Dynamic Server
Same vendor: IBM
Same weakness: CWE-78

V. Comments for CVE-2026-13476

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