CVE-2026-101589 in Utilities Network Management System
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Utilities Network Management System product of Oracle Utilities Applications (component: System Wide). Supported versions that are affected are 2.6.0.1.0-2.6.0.1.12, 2.6.0.2.0-2.6.0.2.10 and 25.12.0.0.0-25.12.0.0.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Utilities Network Management System. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Utilities Network Management System accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
The Oracle Utilities Network Management System, a critical component within the Oracle Utilities Applications suite designed for managing complex electrical distribution networks, has been identified with a significant security flaw in its core system-wide architecture. This vulnerability affects specific version ranges including 2.6.0.1.0 through 2.6.0.1.12, versions 2.6.0.2.0 through 2.6.0.2.10, and the newer 25.12.0.0.0 to 25.12.0.0.2 releases. The issue resides in a component that handles system-wide operations, indicating a foundational weakness rather than an isolated module defect. This architectural placement suggests that the flaw is deeply integrated into how the application processes incoming requests or manages state across its distributed environment, making it particularly concerning for organizations relying on this software for grid stability and operational monitoring.
The technical nature of this vulnerability centers on insufficient access control mechanisms within the HTTPS interface used by administrators and automated systems to interact with the platform. An unauthenticated attacker possessing network connectivity to the affected system can exploit this flaw without needing valid credentials or user interaction. The attack vector is classified as remote, meaning it does not require physical proximity or local shell access, but rather relies on standard network protocols accessible over HTTPS. This characteristic significantly lowers the barrier for exploitation, allowing threat actors who have discovered the presence of the vulnerable service to initiate attacks from anywhere within their reachable network segment. The lack of required authentication highlights a failure in implementing proper identity verification before granting access to sensitive system functions or data endpoints.
The operational impact of this vulnerability is primarily focused on confidentiality breaches rather than integrity or availability disruptions. Successful exploitation results in unauthorized read access to a subset of the Oracle Utilities Network Management System's accessible data. While the scope is described as limited, the nature of utility management systems means that even partial exposure can be detrimental. Exposed data may include sensitive operational metrics, network topology details, customer information linked to grid assets, or configuration parameters essential for maintaining service reliability. Such information leakage could enable further reconnaissance by attackers seeking more comprehensive access or provide intelligence useful for planning targeted attacks against critical infrastructure. The CVSS 3.1 base score of 5.3 reflects this medium-severity impact, emphasizing the confidentiality risk while acknowledging that direct system compromise or data destruction is not immediately facilitated by this specific flaw.
From a classification perspective, this vulnerability aligns with CWE-284 Improper Access Control and potentially CWE-798 Use of Hard-coded Credentials if authentication bypass relies on default configurations. In terms of adversary tactics, it maps to the ATT&CK technique T1078 Valid Accounts or more accurately in this unauthenticated context, techniques related to Initial Access such as exploiting public-facing applications (T1190) and potentially Discovery activities like Gathering Network Information (T1592). The ability for an external actor to retrieve internal data without authentication represents a classic failure of the principle of least privilege and secure default configurations. This type of vulnerability is particularly dangerous in industrial control systems where operational technology often lacks robust perimeter defenses, relying instead on application-layer security that appears compromised here.
Mitigation strategies must prioritize immediate remediation through vendor-provided patches for all affected version ranges listed above. Organizations should verify their current deployment versions against the supported update matrices provided by Oracle and apply the latest cumulative patch sets to close this access control gap. In environments where patching cannot be implemented immediately due to operational constraints, network segmentation is a critical compensating control. Restricting HTTPS access to the Network Management System interface exclusively to trusted administrative subnets or virtual private networks can significantly reduce the attack surface by preventing unauthenticated external actors from reaching the vulnerable endpoint. Additionally, implementing strict web application firewall rules that monitor for anomalous request patterns associated with enumeration or unauthorized data retrieval attempts may provide an additional layer of defense while permanent fixes are deployed. Regular security assessments and penetration testing should also be conducted to identify similar access control weaknesses across other components of the utility management suite before they can be exploited by malicious actors targeting critical infrastructure.