CVE-2026-17419 in IBM
Summary
by MITRE • 08/12/2026
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to modify SQL tables due to improper neutralization of special elements used in an SQL command.
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Analysis
by VulDB Data Team • 08/12/2026
This vulnerability represents a critical sql injection flaw affecting multiple versions of IBM i operating system including versions 7.6, 7.5, 7.4, and 7.3. The security weakness stems from inadequate input validation and sanitization mechanisms within the database processing components that handle sql commands. An authenticated attacker positioned remotely can exploit this vulnerability to manipulate sql tables through crafted malicious inputs that are not properly neutralized before being processed by the sql engine.
The technical implementation of this flaw occurs when user-supplied data containing special sql characters or sequences is directly incorporated into sql command construction without proper escaping or parameterization. This allows attackers to inject additional sql statements or modify existing ones, potentially enabling unauthorized data modification, deletion, or extraction operations. The vulnerability specifically impacts the sql command processing pipeline where input validation fails to adequately sanitize user-provided content before it reaches the database engine.
From an operational impact perspective, this vulnerability creates significant risk for organizations relying on IBM i systems for mission-critical database operations. Successful exploitation could result in data integrity compromise, unauthorized access to sensitive information, and potential system availability disruption. The remote nature of the attack means that threat actors do not require physical access or local system privileges to exploit this weakness, making it particularly dangerous in networked environments where authentication is required but not sufficiently enforced.
The vulnerability aligns with common weakness enumeration CWE-89 which specifically addresses sql injection vulnerabilities, and maps directly to several ATT&CK techniques including T1071.004 for application layer protocol usage and T1566 for credential access through exploitation of system vulnerabilities. Organizations should implement immediate mitigations including applying official IBM security patches, implementing proper input validation frameworks, and deploying web application firewalls to monitor and block suspicious sql injection patterns. Additional defensive measures include restricting database user permissions, enabling detailed logging of sql operations, and conducting regular security assessments to identify potential injection points within applications interfacing with the affected systems.
This vulnerability demonstrates the ongoing challenges in database security where legacy system architectures may contain insufficient input sanitization mechanisms that were not designed with modern attack vectors in mind, requiring both immediate remediation efforts and long-term architectural improvements to prevent similar issues from arising in future system deployments.