CVE-2026-66246 in iControl
Summary
by MITRE • 10/01/2026
iControl is affected by a Broken Access Control vulnerability, which could allow an attacker to exploit missing authentication checks or insecure direct object references (IDOR), enabling privilege escalation and the unauthorized modification or deletion of sensitive application data.
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Analysis
by VulDB Data Team • 10/01/2026
The iControl REST API interface presents a critical security risk due to broken access control vulnerabilities that stem from insufficient validation of user permissions during request processing. This flaw primarily manifests as insecure direct object references, where the system fails to verify whether an authenticated user has the appropriate authorization level to perform actions on specific resources identified by their unique identifiers. Consequently, attackers who possess valid credentials for a lower-privileged account can manipulate input parameters to access or modify data belonging to higher-privilege accounts or administrative functions that should be strictly restricted. This type of vulnerability is categorized under CWE-284 Improper Access Control and often overlaps with CWE-639 Injection of Critical Data into an Indirect Reference, highlighting the failure in enforcing proper authorization checks before executing sensitive operations.
The operational impact of this vulnerability is severe, as it enables privilege escalation within the application environment. An attacker can leverage these missing authentication checks to bypass security boundaries that are intended to isolate different user roles and data sets. By exploiting insecure direct object references, malicious actors can read, modify, or delete critical configuration files, network settings, and sensitive application data without detection by standard audit logs if logging mechanisms do not adequately capture the context of unauthorized access attempts. This capability effectively undermines the integrity and confidentiality guarantees provided by the system's security architecture, allowing for potential full compromise of the managed infrastructure depending on the scope of accessible resources.
From a threat modeling perspective aligned with MITRE ATT&CK frameworks, this vulnerability facilitates techniques associated with Privilege Escalation such as T1078 Valid Accounts and potentially T1546 Event Triggered Execution if specific configuration changes are made to persist access or alter system behavior. The exploitation path typically involves crafting HTTP requests that substitute legitimate resource identifiers with those belonging to privileged entities, relying on the server's failure to validate ownership against the current session’s permissions. This lack of object-level authorization checks represents a fundamental design flaw in how identity and access management policies are implemented within the API layer, allowing lateral movement or vertical privilege escalation once initial foothold is established through compromised credentials.
Mitigation strategies must focus on implementing robust server-side validation mechanisms that enforce strict ownership verification for every resource accessed via the iControl REST interface. Developers should ensure that all endpoints perform explicit authorization checks against the current user’s role and permissions before processing any request, regardless of whether authentication has been successfully completed. Adopting a principle of least privilege is essential, ensuring that API tokens are scoped to only the minimum necessary resources required for their intended function. Additionally, implementing comprehensive audit logging that records not just access events but also authorization decisions can aid in detecting anomalous patterns indicative of IDOR exploitation. Regular security testing using dynamic application security scanning tools configured to detect broken object level references is recommended to identify and remediate such flaws before they can be exploited in production environments.