CVE-2026-18517 in Maximo Application Suite
Summary
by MITRE • 10/13/2026
IBM Maximo Application Suite - Location Service for Esri Component 9.2, 9.1, and 9.0 IBM Maximo Application Suite — Location Service for Esri Component is vulnerable to unintended network egress due to a misconfigured Kubernetes NetworkPolicy.
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Analysis
by VulDB Data Team • 10/13/2026
The vulnerability identified in the IBM Maximo Application Suite specifically within the Location Service for Esri Component versions 9.2, 9.1, and 9.0 stems from an insufficiently restrictive configuration of Kubernetes NetworkPolicies. In containerized environments such as those managed by Kubernetes, network policies serve as a critical security control mechanism that dictates how pods are allowed to communicate with each other and external networks. The core technical flaw lies in the absence or misconfiguration of egress rules within these policies, which effectively leaves outbound traffic from the Location Service pod unrestricted. This means that any process running inside this specific component can initiate connections to arbitrary external IP addresses and ports without being blocked by the cluster's network security layer.
From a technical perspective, Kubernetes NetworkPolicies are designed to provide micro-segmentation within a cluster. When an egress policy is missing or configured too broadly, it violates the principle of least privilege regarding network access. The Location Service for Esri Component likely requires connectivity only to specific internal services such as database backends, authentication servers, and potentially authorized external mapping APIs. However, due to this misconfiguration, the component retains unrestricted internet access capabilities. This creates a significant attack surface where an attacker who has gained initial foothold within the pod through other vectors can leverage this open egress channel to exfiltrate data or establish command-and-control channels without triggering network-based intrusion detection systems that rely on policy violations for alerts.
The operational impact of this vulnerability is substantial, primarily centering on data confidentiality and integrity risks. If an adversary compromises the Location Service component, they can use the unrestricted outbound connection to send sensitive geospatial data, user information, or internal configuration details to external servers controlled by the attacker. This facilitates unauthorized data exfiltration, which is a critical concern for enterprise applications handling proprietary location intelligence. Furthermore, this misconfiguration allows for potential lateral movement and remote code execution scenarios where malicious payloads can be downloaded from external repositories directly into the compromised container environment. The lack of network egress controls undermines the defense-in-depth strategy typically employed in cloud-native deployments, making it easier for threats to persist and propagate beyond the immediate cluster boundary.
This vulnerability aligns with CWE-785: Out-of-bounds Write in terms of logical boundaries if interpreted broadly as exceeding defined security zones, but more accurately maps to CWE-269: Improper Privilege Management regarding network access controls, and specifically CWE-1324: Uncontrolled Egress. In the context of the MITRE ATT&CK framework for cloud environments, this flaw facilitates techniques related to Exfiltration Over C2 Channel (T1071) and potentially Command and Control via Application Layer Protocol if the attacker uses standard web protocols like HTTP or HTTPS to mask their traffic. The unrestricted egress essentially removes a key barrier that would otherwise limit an adversary's ability to communicate with external infrastructure after gaining initial access.
To mitigate this risk, it is imperative to implement strict Kubernetes NetworkPolicies for all pods within the IBM Maximo Application Suite environment. Administrators should define explicit allow-lists for both ingress and egress traffic based on the specific functional requirements of the Location Service component. Egress rules must be restricted to only those destinations that are absolutely necessary for operation, such as internal service endpoints and verified external API domains with known IP ranges where applicable. Regular auditing of network policies using tools like Cilium Network Policy Editor or Kubernetes-native policy validators can help ensure compliance. Additionally, enabling audit logging on the container runtime and cluster control plane allows security teams to monitor for any anomalous outbound connection attempts that might indicate exploitation activity despite these controls being in place.