CVE-2026-17283 in API Connect
Summary
by MITRE • 11/07/2026
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to broken object-level authorization.
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Analysis
by VulDB Data Team • 11/07/2026
The vulnerability identified in IBM API Connect versions ranging from 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 represents a critical failure in access control mechanisms, specifically categorized under the concept of broken object-level authorization. This class of vulnerability occurs when an application verifies the rights of a user to perform an action on a specific resource but fails to correctly validate that the authenticated user is authorized to access that particular instance of the resource. In the context of API Connect, which serves as a comprehensive platform for managing APIs across their lifecycle, such flaws can have significant implications for data integrity and confidentiality within enterprise environments.
From a technical perspective, this flaw likely stems from insufficient server-side validation when processing requests directed at specific API objects or endpoints. An attacker who has successfully authenticated to the system can manipulate input parameters, such as identifiers in URLs or request bodies, to reference resources belonging to other users or administrative contexts that they should not have access to. Because the application relies on client-supplied data rather than maintaining a secure mapping of user identities to resource ownership on the server side, it inadvertently grants access to sensitive information stored within those objects. This mechanism aligns directly with CWE-639, which defines authorization bypass through manipulation of object references, and is also associated with CWE-284 regarding improper access control.
The operational impact of this vulnerability allows a remote authenticated attacker to obtain sensitive information that was intended for other users or system administrators. Depending on the specific configuration and data stored within IBM API Connect, this could include internal documentation, client credentials, API keys, usage statistics, or even proprietary business logic embedded in API definitions. The ability to exfiltrate such data compromises the confidentiality of the organization's digital assets and can serve as a stepping stone for further attacks, including privilege escalation if additional sensitive configuration details are exposed. This scenario is well-documented in the MITRE ATT&CK framework under techniques related to Collection via Command and Scripting Interpreter or Data from Information Repositories, where adversaries leverage compromised accounts to gather intelligence that aids in subsequent phases of an intrusion campaign.
Mitigation strategies for this vulnerability primarily involve applying the vendor-provided security patches released by IBM to update the affected versions to a secure state. Organizations should prioritize patch management processes to ensure that all instances of API Connect are updated promptly upon the availability of these fixes. In addition to immediate remediation, administrators should review their access control policies and implement strict validation checks on server-side logic to prevent object-level authorization bypasses in custom integrations or extensions. Implementing robust logging and monitoring solutions can also help detect anomalous behavior indicative of exploitation attempts, such as repeated requests for resources outside a user's expected scope, thereby enhancing the overall security posture against similar attacks.