CVE-2026-101660 in Mobile Field Service
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Mobile Field Service product of Oracle E-Business Suite (component: Admin UI). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Mobile Field Service. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Mobile Field Service accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 10/22/2026
The identified vulnerability resides within the Admin UI component of Oracle Mobile Field Service, a module integrated into the broader Oracle E-Business Suite ecosystem. This security flaw affects multiple supported releases, specifically versions ranging from 12.2.3 through 12.2.15. The nature of this defect is particularly severe because it permits exploitation by an unauthenticated attacker who requires only network access via HTTP to initiate a successful attack vector. Unlike vulnerabilities that demand user interaction or valid credentials, this flaw allows remote adversaries to bypass authentication mechanisms entirely, leveraging the exposed administrative interface to gain unauthorized footholds within the system infrastructure.
From a technical perspective, the core issue stems from insufficient validation and authorization checks within the Admin UI endpoints. This architectural weakness enables an attacker to execute commands or access sensitive data structures without presenting valid session tokens or credentials. The vulnerability aligns with CWE-287, which describes Improper Authentication, as well as CWE-862, Missing Authorization, indicating that the application fails to properly verify user identity and permissions before processing requests. By exploiting this gap in security controls, an attacker can manipulate administrative functions intended for authorized personnel only, effectively turning a management interface into a direct entry point for system compromise.
The operational impact of successfully exploiting this vulnerability is significant, primarily driven by high-impact confidentiality breaches as indicated by the CVSS 3.1 base score of 7.5. A successful attack results in unauthorized access to critical data stored within the Oracle Mobile Field Service database and potentially complete access to all accessible data managed by the application. This level of exposure can lead to the exfiltration of sensitive customer information, proprietary business processes, or operational metrics that are central to enterprise field service operations. The lack of integrity or availability impacts in the CVSS vector suggests that while data theft is the primary risk, the immediate exploitation does not inherently disrupt system uptime or alter data states, though secondary effects could certainly follow depending on attacker intent.
In terms of threat modeling and adversary behavior, this vulnerability maps directly to MITRE ATT&CK technique T1078, Valid Accounts, specifically in contexts where default or weak credentials might be assumed due to the lack of strict enforcement, although more accurately it aligns with T1190, Exploit Public-Facing Application. Attackers typically scan for such exposed administrative interfaces using automated tools that probe common paths and endpoints associated with known enterprise software suites. Once identified, the attacker can leverage the unauthenticated access to dump database contents or escalate privileges further if additional lateral movement opportunities exist within the surrounding network environment.
To mitigate this risk, organizations running affected versions of Oracle Mobile Field Service must apply the latest security patches provided by Oracle immediately. These updates typically include code changes that enforce strict authentication requirements on all administrative endpoints and implement robust access control lists to restrict HTTP-based requests from unauthenticated sources. Additionally, administrators should ensure that the Admin UI is not exposed directly to public networks via reverse proxies or firewalls without implementing additional layers of security such as IP whitelisting, multi-factor authentication for administrative interfaces, and Web Application Firewall rules designed to detect and block exploitation attempts targeting known vulnerable endpoints. Regular vulnerability scanning and penetration testing are also recommended to identify any residual exposure or misconfigurations that might persist after patching.