CVE-2026-101634 in Mobile Field Service
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Mobile Field Service product of Oracle E-Business Suite (component: Internal Operations). 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 and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Mobile Field Service. CVSS 3.1 Base Score 9.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Internal Operations component of Oracle Mobile Field Service, a critical module integrated into the Oracle E-Business Suite ecosystem. This security flaw affects supported software versions ranging from 12.2.3 through 12.2.15, representing a significant portion of active deployments in enterprise environments that rely on mobile workforce management solutions. The core technical deficiency allows for an unauthenticated attacker to exploit the system via standard HTTP network connections without requiring any prior authentication credentials or user interaction. This characteristic classifies the vulnerability as highly accessible, enabling remote exploitation by threat actors who have basic network connectivity to the affected service endpoints.
From a technical perspective, the flaw permits two distinct categories of malicious outcomes: unauthorized data access and denial of service conditions. The confidentiality impact is severe, allowing attackers to bypass security controls to extract critical business data or gain complete access to all information accessible through Oracle Mobile Field Service. This could include sensitive customer records, employee details, operational logs, and proprietary workflow configurations. Simultaneously, the vulnerability introduces a stability risk by enabling an attacker to trigger hangs or induce repeatable crashes within the application server. These denial of service conditions can render the mobile field service platform unavailable for legitimate users, disrupting business operations that depend on real-time data synchronization and remote workforce coordination.
The operational impact of this vulnerability is substantial due to its high severity rating. With a CVSS 3.1 Base Score of 9.1, categorized as Critical, the risk extends beyond mere data leakage to include significant service disruption. Organizations utilizing Oracle E-Business Suite for field operations face potential regulatory compliance issues if sensitive personal or financial data is exfiltrated due to this unauthenticated access vector. Furthermore, the ability to cause complete denial of service means that critical business processes dependent on mobile field agents can be halted entirely, leading to direct financial loss and reputational damage. The lack of required authentication lowers the barrier for entry significantly, making automated scanning tools and opportunistic attackers particularly effective against vulnerable instances.
In terms of industry standard classifications, this vulnerability aligns with CWE-287, which describes Improper Authentication, as it allows unauthenticated access to sensitive resources. Additionally, the capability to cause a hang or crash relates closely to CWE-400, concerning Uncontrolled Resource Consumption, and potentially CWE-915, involving Improper Control of Dynamically-Managed Code Resources if memory corruption is involved in the denial-of-service mechanism. From an offensive security framework perspective, this vulnerability facilitates initial access via network services (T1133) and can be leveraged for data exfiltration over standard application layer protocols such as HTTP or HTTPS (T1048). The exploitation does not require user interaction, placing it in the category of remote code execution vectors that do not rely on social engineering.
Mitigation strategies must prioritize immediate patching to address the underlying code defects within the Internal Operations component. Oracle typically releases security patches for such critical vulnerabilities through its Critical Patch Update program or specific emergency fixes. Administrators should verify their current version against the affected range and apply the latest available updates provided by Oracle. In scenarios where immediate patching is not feasible due to operational constraints, network-level mitigations are essential. Implementing strict access control lists on firewalls to restrict HTTP traffic from untrusted networks can reduce the attack surface. Additionally, deploying Web Application Firewalls with rules specifically designed to detect and block anomalous request patterns associated with denial-of-service attacks or unauthorized data retrieval attempts can provide a layer of defense-in-depth while permanent remediation is prepared.