CVE-2026-16961 in IBM
Summary
by MITRE • 08/13/2026
IBM i 7.6, 7.5, and 7.4 s vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify, or delete information in the back-end database.
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Analysis
by VulDB Data Team • 08/13/2026
This vulnerability represents a critical sql injection flaw affecting IBM i versions 7.6 7.5 and 7.4 systems where remote attackers can exploit the weakness by submitting maliciously crafted sql statements. The vulnerability stems from inadequate input validation and sanitization mechanisms within the database processing components of these operating systems. Attackers can leverage this flaw to execute unauthorized database operations including but not limited to data retrieval modification and deletion across the backend database infrastructure. The technical nature of this vulnerability aligns with common weakness enumeration cwe 89 which specifically addresses sql injection vulnerabilities where untrusted data is incorporated into sql commands without proper sanitization or parameterization.
The operational impact of this vulnerability extends beyond simple data compromise as it provides attackers with extensive database access capabilities that can lead to complete system infiltration. Remote exploitation means that adversaries do not require physical access or local network presence to leverage the vulnerability, making it particularly dangerous for organizations relying on ibm i systems for critical business operations. The attack surface includes any application or service that interfaces with the database through sql commands and does not properly validate user input before incorporating it into sql queries. This weakness can potentially lead to data breaches, unauthorized system modifications, and complete database compromise depending on the privileges of the affected database accounts.
Organizations utilizing these ibm i versions must implement immediate mitigations including input validation at all application layers, proper parameterized query usage, and comprehensive database access controls. The vulnerability demonstrates characteristics consistent with attack techniques described in mitre att&ck framework under initial access and execution phases where adversaries establish footholds through injection attacks. System administrators should conduct thorough vulnerability assessments to identify all applications that might be vulnerable to sql injection and ensure proper patching procedures are followed according to ibm security advisories. Network segmentation and database monitoring solutions can provide additional layers of protection while implementing principle of least privilege access controls for database accounts helps limit potential damage from successful exploitation attempts.
The fundamental flaw lies in the insufficient sanitization of user inputs before processing within the sql engine components of these operating systems. This allows malicious sql fragments to be executed with the privileges of the database user account, potentially enabling attackers to escalate their privileges or access sensitive system information. The vulnerability affects both web applications and native database interfaces that do not properly implement input validation mechanisms. Organizations should review their existing database security configurations and ensure that all sql query execution paths include proper input sanitization and parameterized statement usage to prevent exploitation of this weakness. Regular security assessments and penetration testing can help identify additional injection points within complex application environments that may be susceptible to similar vulnerabilities.