CVE-2026-80436 in DataStage
Summary
by MITRE • 09/10/2026
IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to cause a denial of service by deleting arbitrary RabbitMQ queues or exchanges due to improper authorization.
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Analysis
by VulDB Data Team • 09/10/2026
The vulnerability identified in IBM DataStage within the Cloud Pak for Data platform version 5.4.0.0 represents a critical failure in access control mechanisms, specifically categorized under CWE-269 Improper Privilege Management. This flaw allows an authenticated remote attacker to perform unauthorized administrative actions against the underlying message broker infrastructure, which is powered by RabbitMQ. In enterprise environments relying on IBM DataStage for complex data integration and workflow orchestration, reliable messaging services are foundational to system stability. The improper authorization logic fails to validate whether a user with standard or limited privileges possesses the necessary permissions to execute destructive operations such as deleting queues or exchanges. This misconfiguration effectively grants users more authority than intended by the security architecture, bypassing the principle of least privilege that should restrict actions based on role-based access control policies.
From an operational perspective, the ability to delete arbitrary RabbitMQ queues and exchanges has severe implications for system availability and data integrity. Queues serve as buffers where messages are stored before being processed or delivered to consumers, while exchanges determine how those messages are routed to specific queues. By removing these components, an attacker can effectively sever communication channels between various microservices and applications that depend on the message broker. This results in a denial of service condition where legitimate users cannot send or receive data through DataStage workflows. The impact extends beyond simple downtime; it can lead to lost messages if they were not persisted elsewhere, causing gaps in critical business processes such as financial transactions, customer data synchronization, or real-time analytics pipelines. The disruption is immediate and requires manual intervention by system administrators to recreate the deleted infrastructure components and restore service continuity.
This vulnerability aligns with MITRE ATT&CK technique T1529 System Shutdown Reboot, specifically through the mechanism of disrupting services via resource deletion rather than direct shutdown commands. It also reflects aspects of privilege escalation where a lower-privileged account achieves administrative-level control over messaging resources. The root cause lies in insufficient validation of user roles during API requests or internal service calls that interact with RabbitMQ management interfaces. Attackers can exploit this by crafting specific HTTP requests to the exposed endpoints, leveraging their authenticated session to issue delete commands against any queue or exchange identifier they know exists within the system. This exploitation path is particularly dangerous because it does not require code execution or injection attacks but rather abuses legitimate authentication tokens for destructive purposes.
Mitigation strategies must focus on both immediate remediation and long-term architectural hardening. The primary solution involves applying the vendor-provided security patches that address the authorization checks in Cloud Pak for Data version 5.4.0.1 or later releases. Until updates are applied, administrators should enforce strict network segmentation to limit access to RabbitMQ management interfaces only from trusted internal subnets and ensure that all API endpoints require multi-factor authentication where possible. Additionally, implementing robust role-based access control policies within the identity provider is essential to ensure that users with standard operational roles cannot interact with administrative messaging functions. Regular auditing of user permissions and monitoring for unusual deletion activities in RabbitMQ logs can help detect potential exploitation attempts early. Security teams should also review their overall message broker configuration to ensure that default administrative accounts are disabled or secured, reducing the attack surface available to authenticated adversaries seeking to disrupt critical data pipelines.