CVE-2026-101655 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 • 10/22/2026
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 versions ranging from 12.2.3 through 12.2.15, indicating that a significant portion of active deployments remain susceptible to exploitation. The nature of this vulnerability is particularly concerning because it allows for remote code execution or privilege escalation without requiring user interaction. An attacker with low privileges who has network access via HTTP can leverage this flaw to compromise the integrity and availability of the application server hosting Oracle Mobile Field Service.
From a technical perspective, the vulnerability enables an unauthenticated or lightly authenticated actor to execute arbitrary commands or manipulate system resources on the target host. The attack vector is classified as Network-based with Low Attack Complexity, meaning that no specialized conditions are required for exploitation beyond standard network connectivity. Crucially, the requirement for low privileges lowers the barrier to entry significantly compared to vulnerabilities requiring administrative access initially. Once exploited, the attacker gains a foothold within the application layer, which can be leveraged to escalate privileges further or move laterally across the enterprise network. The absence of user interface interaction requirements means that automated scanning tools and script-based attacks can successfully exploit this flaw without needing social engineering tactics to trick end-users into clicking malicious links or opening infected files.
The operational impact of this vulnerability is severe, as reflected by its CVSS 3.1 Base Score of 8.8, which categorizes 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) explicitly details that Confidentiality, Integrity, and Availability impacts are all rated as High. This triad of high-impact consequences suggests that a successful compromise does not merely result in data leakage but also allows for the modification or destruction of critical business data and potentially renders the service unavailable to legitimate users. In an enterprise environment where Oracle E-Business Suite manages core financial, supply chain, and human resources operations, such a breach can lead to substantial financial loss, regulatory penalties under frameworks like GDPR or HIPAA if sensitive personal data is exposed, and significant reputational damage due to prolonged downtime.
Mapping this vulnerability to established industry standards provides further context for risk assessment and remediation prioritization. The flaw aligns with CWE-78, Improper Neutralization of Special Elements used in an OS Command (OS Command Injection), or potentially CWE-20, Improper Input Validation, depending on the specific mechanism by which input is processed without adequate sanitization. In terms of adversary behavior, this vulnerability facilitates initial access and privilege escalation techniques documented in the MITRE ATT&CK framework, specifically under T1190 Exploit Public-Facing Application for initial compromise and potentially T1068 Exploitation for Privilege Escalation if local exploits are chained with this remote flaw. Understanding these mappings helps security teams anticipate how threat actors might utilize this weakness as a stepping stone in a broader attack chain aimed at exfiltrating sensitive intellectual property or disrupting business continuity.
Mitigation strategies must be implemented immediately to reduce the window of exposure. The primary and most effective remediation is applying the latest Oracle Critical Patch Update (CPU) that addresses this specific vulnerability within the Internal Operations component. Organizations should verify their current version against the affected range of 12.2.3 through 12.2.15 and prioritize patching for systems exposed to untrusted networks or the public internet. In cases where immediate patching is not feasible due to operational constraints, temporary mitigations such as restricting network access to the Oracle Mobile Field Service interface via firewall rules should be deployed. Access control lists (ACLs) should limit HTTP traffic to only authorized IP addresses and subnets, effectively neutralizing the Network attack vector component of the CVSS score. Additionally, implementing Web Application Firewalls with updated signatures can help detect and block exploit attempts targeting this flaw before they reach the application layer.
Beyond technical controls, organizational security posture must be strengthened through rigorous vulnerability management practices. Regular scanning for known vulnerabilities in Oracle E-Business Suite components is essential to identify unpatched systems promptly. Security teams should also review authentication mechanisms associated with Mobile Field Service to ensure that even low-privileged accounts are protected by strong password policies and multi-factor authentication where applicable, although this specific flaw may bypass some of these controls if it operates at the application logic level rather than strictly through credential theft. Continuous monitoring for anomalous behavior on servers hosting Oracle E-Business Suite can aid in early detection of exploitation attempts, allowing incident response teams to contain threats before significant damage occurs. By combining timely patching with robust network segmentation and proactive monitoring, organizations can effectively mitigate the risks posed by this high-severity vulnerability.