CVE-2026-101664 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 low privileged attacker with network access via HTTP to compromise Oracle Mobile Field Service. Successful attacks of this vulnerability can result in takeover of Oracle Mobile Field Service. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 broader Oracle E-Business Suite ecosystem. This security flaw affects multiple supported releases, specifically spanning versions 12.2.3 through 12.2.15. The nature of this defect represents a significant risk to organizations relying on these systems for field service management and operational logistics. Because the vulnerability is located in an internal operations module that exposes functionality via HTTP, it creates a direct attack surface accessible over standard network protocols without requiring specialized tools or complex setup procedures by the adversary.
From a technical perspective, this flaw allows for exploitation by attackers who possess low-level privileges within the application environment. Unlike high-privilege exploits that require administrative access to gain initial footholds, this vulnerability can be leveraged by users with minimal permissions, such as standard field technicians or basic operational staff. The attacker requires only network connectivity and an HTTP interface to initiate the exploit sequence. This characteristic significantly lowers the barrier to entry for malicious actors, enabling individuals who might otherwise have limited system access to execute sophisticated attacks against the core application logic.
The operational impact of this vulnerability is severe, as indicated by a CVSS 3.1 Base Score of 8.8, which classifies it as High severity. The vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reveals that the attack has Network accessibility and Low complexity, requiring no user interaction and maintaining unchanged scope while delivering high impacts on Confidentiality, Integrity, and Availability. Successful exploitation results in a complete takeover of the Oracle Mobile Field Service application. This means an attacker can potentially read sensitive customer data, modify service records or inventory levels to disrupt operations, and render the system unavailable for legitimate users through denial-of-service conditions or destructive modifications.
In terms of industry classification frameworks, this vulnerability aligns with CWE-269 Improper Privilege Management, as it allows a lower privileged user to perform actions that should be restricted to higher privileges. Furthermore, the ability to take over an application via network access without interaction maps closely to ATT&CK techniques such as T1078 Valid Accounts and potentially T1059 Command and Scripting Interpreter if command execution is involved in the takeover process. The lack of user interface requirements (UI:N) suggests that automated exploitation tools can be developed easily, increasing the likelihood of widespread compromise through opportunistic scanning across internet-facing or internal network segments where HTTP traffic is permitted.
Mitigation strategies must prioritize immediate patching to the latest available version within the 12.2.x branch provided by Oracle, as this addresses the root cause in the Internal Operations module. Organizations should also implement strict access controls and principle of least privilege enforcement for all accounts with access to Mobile Field Service interfaces. Network segmentation is recommended to restrict HTTP access to only those systems that absolutely require it, thereby reducing the attack surface. Additionally, deploying web application firewalls can help detect and block exploit attempts targeting this specific vulnerability by identifying anomalous request patterns associated with low-privilege privilege escalation attacks. Continuous monitoring of system logs for unusual activity from standard user accounts is also essential to identify potential exploitation in real-time before significant damage occurs.