CVE-2026-17184 in Db2 Mirror for i
Summary
by MITRE • 08/14/2026
IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to execute arbitrary code due to external control of file name or path.
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Analysis
by VulDB Data Team • 08/14/2026
This vulnerability in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6 represents a critical security flaw that enables remote code execution through improper input validation. The issue stems from the system's failure to properly sanitize user-supplied file paths or names, creating an attack vector where malicious actors can manipulate file operations to execute arbitrary code on the target system. Such vulnerabilities typically fall under CWE-73, which specifically addresses external control of file name or path, a well-documented weakness in software security that has been exploited in numerous high-profile incidents.
The technical implementation of this flaw allows attackers to craft specially formatted inputs that bypass normal file access controls and directory traversal mechanisms. When the system processes these malformed paths, it inadvertently executes commands or loads malicious code from locations specified by the attacker rather than the intended destination. This type of vulnerability can be leveraged through various attack vectors including web interfaces, API endpoints, or network services that interact with file system operations. The impact extends beyond simple code execution to potentially allow full system compromise, data exfiltration, and persistent access to enterprise networks.
From an operational perspective, this vulnerability poses significant risk to organizations utilizing IBM Db2 Mirror for i systems, particularly those handling sensitive data or serving as critical infrastructure components. The remote nature of the attack means that adversaries can exploit the flaw without requiring physical access or local credentials, making detection and prevention more challenging. Attackers may use this vulnerability to establish backdoors, escalate privileges, or deploy additional malware payloads that can persist across system reboots. The affected versions suggest a widespread impact across multiple release cycles, indicating that organizations maintaining these systems face prolonged exposure windows without proper patches.
Security professionals should implement immediate mitigations including network segmentation to limit access to Db2 Mirror for i services, deployment of web application firewalls to monitor and filter suspicious file path requests, and comprehensive monitoring for anomalous file system operations. Organizations must also conduct thorough vulnerability assessments to identify all instances of the affected software versions and prioritize patch management activities. The ATT&CK framework categorizes this type of vulnerability under T1059 for command and scripting interpreter and T1078 for valid accounts, as attackers may leverage compromised systems to maintain persistence and move laterally within networks. Additionally, implementing principle of least privilege controls and regular security audits can help reduce the potential impact of successful exploitation attempts.