CVE-2026-1014 in InfoSphere Information Server
Summary
by MITRE • 03/25/2026
IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 is vulnerable to exposure of sensitive information via JSON server response manipulation.
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Analysis
by VulDB Data Team • 04/01/2026
IBM InfoSphere Information Server version 11.7.0.0 through 11.7.1.6 contains a vulnerability that allows unauthorized disclosure of sensitive information through manipulated JSON server responses. This flaw falls under the category of information exposure vulnerabilities and represents a significant security risk for organizations relying on the platform for data integration and management tasks. The vulnerability stems from insufficient input validation and output sanitization within the JSON response handling mechanisms of the server component. Attackers can exploit this weakness by crafting malicious requests that manipulate the JSON server responses to extract sensitive data that should remain protected.
The technical implementation of this vulnerability involves the server's failure to properly validate and sanitize JSON responses before transmission to client applications. When specific API endpoints receive crafted input parameters, the server may include additional sensitive metadata or data elements in the JSON response that were not intended for public consumption. This occurs due to inadequate access controls and data filtering mechanisms within the response generation logic. The vulnerability can potentially expose authentication tokens, database connection details, system configurations, or other proprietary information that should remain confidential within the enterprise environment.
The operational impact of this vulnerability extends beyond simple information disclosure to potentially enable more sophisticated attacks within the affected environment. An attacker who successfully exploits this vulnerability could gain access to sensitive operational data that might facilitate further exploitation attempts against the broader information infrastructure. The vulnerability affects organizations that utilize IBM InfoSphere Information Server for critical data integration processes, potentially compromising data governance and security protocols. Given that this affects multiple versions within the 11.7.x release series, the scope of potential impact is substantial across various enterprise deployments.
Security professionals should consider this vulnerability in relation to CWE-200, which specifically addresses information exposure, and align it with ATT&CK technique T1566 for social engineering and T1071 for application layer protocols. Organizations should implement immediate mitigations including input validation controls, response filtering mechanisms, and comprehensive access controls to prevent unauthorized data disclosure. The recommended approach involves updating to the latest available patches from IBM, implementing network segmentation controls, and conducting thorough security assessments of the affected system components. Additionally, organizations should review their logging and monitoring capabilities to detect potential exploitation attempts and establish incident response procedures specifically addressing information exposure vulnerabilities.