CVE-2026-10030 in MQ Console
Summary
by MITRE • 09/18/2026
IBM MQ Console allows authenticated non-administrative users to create and start queue managers due to improper authorization checks.
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Analysis
by VulDB Data Team • 09/18/2026
The vulnerability identified in IBM MQ Console represents a critical failure in access control mechanisms, specifically categorized under CWE-269 Improper Privilege Management or more precisely CWE-862 Missing Authorization within the context of application-level logic. This flaw allows authenticated users who do not possess administrative privileges to execute actions that are strictly reserved for system administrators, namely the creation and initiation of queue managers. In a typical enterprise messaging environment, IBM MQ serves as the backbone for asynchronous communication between distributed applications, making the integrity of its configuration paramount. The console interface acts as the primary graphical user interface for managing these components, and when it fails to enforce role-based access controls correctly, it undermines the fundamental security principle of least privilege.
From a technical perspective, this vulnerability stems from insufficient server-side validation of user roles during request processing. When an authenticated non-administrative user submits a request to create or start a queue manager through the web interface, the backend logic fails to verify whether the requesting identity holds the necessary administrative permissions before executing the operation. This oversight allows malicious actors who have obtained valid credentials for standard user accounts to bypass security restrictions and manipulate core messaging infrastructure settings. The absence of proper authorization checks means that any authenticated account can potentially escalate its privileges effectively by altering system configurations, which is a classic example of an insecure direct object reference or broken access control vulnerability often associated with OWASP Top 10 categories such as Broken Access Control.
The operational impact of this flaw is severe and multifaceted. An attacker leveraging this vulnerability could create unauthorized queue managers to intercept sensitive messages intended for other applications, leading to data leakage or eavesdropping on critical business transactions. Furthermore, by starting these rogue queue managers, the attacker can disrupt normal messaging flows, causing denial-of-service conditions that affect application availability and reliability. In a worst-case scenario, if the compromised user account has access to underlying operating system resources through other misconfigurations, this could serve as a stepping stone for further exploitation, potentially leading to remote code execution or complete compromise of the host server hosting IBM MQ. This directly impacts confidentiality, integrity, and availability, which are the core tenets of information security.
In terms of threat modeling, this vulnerability aligns with MITRE ATT&CK techniques related to privilege escalation and defense evasion. Specifically, it relates to T1078 Valid Accounts where attackers use legitimate credentials to gain access, followed by actions that mimic administrative behavior without proper oversight. The ability to create new queue managers allows an attacker to establish persistent backdoors within the messaging infrastructure, facilitating lateral movement across networked systems that rely on IBM MQ for communication. This makes the vulnerability particularly dangerous in environments where trust boundaries between different security zones are defined by these message queues.
To mitigate this risk, organizations must ensure they apply the latest patches provided by IBM for their specific version of IBM MQ Console and runtime components. Immediate remediation involves verifying user roles and permissions within the console to ensure that only designated administrators have access to queue manager creation and management functions. Additionally, implementing strict network segmentation can limit exposure if an account is compromised. Security teams should also audit existing configurations to identify any unauthorized queue managers or suspicious activity logs indicating exploitation attempts. Regular security assessments and penetration testing focused on access control mechanisms are recommended to detect similar flaws before they can be exploited in production environments.