CVE-2026-101658 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Mobile Field Service. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Mobile Field Service accessible data as well as unauthorized access to critical data or complete access to all Oracle Mobile Field Service accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
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 specific supported versions ranging from 12.2.3 through 12.2.15. The nature of this defect is characterized as difficult to exploit, indicating that while an attack vector exists, it requires precise conditions or specific sequences to be successfully leveraged by a malicious actor. Despite the high complexity required for exploitation, the potential impact on system integrity and confidentiality remains severe due to the privileged level of access granted upon successful compromise.
From a technical perspective, the core issue stems from insufficient authentication controls within the administrative interface. This allows an unauthenticated attacker who has network connectivity via HTTP to interact with sensitive backend functions without providing valid credentials. The vulnerability essentially bypasses standard security gateways that should enforce identity verification before allowing modifications or data retrieval operations. By exploiting this gap in access control logic, an adversary can execute commands and queries intended only for authorized administrators, effectively elevating their privileges from a non-existent state to full administrative capability within the application layer.
The operational impact of this vulnerability is substantial, primarily affecting the confidentiality and integrity aspects of security as reflected by its CVSS 3.1 base score of 7.4. A successful exploitation enables unauthorized creation, deletion, or modification of critical data stored within Oracle Mobile Field Service. Furthermore, it grants complete access to all data accessible through the service, leading to a total breach of confidentiality for sensitive business information such as field technician schedules, customer records, and operational logs. The integrity impact is equally concerning, as attackers can alter essential configurations or delete vital datasets, potentially disrupting business operations and causing long-term damage that may require extensive recovery efforts.
In terms of industry standard classifications, this vulnerability aligns with CWE-287, which describes Improper Authentication, where the system fails to correctly verify identity before granting access. Additionally, it relates closely to CWE-862, Missing Authorization, as the application does not enforce proper permissions checks for administrative actions exposed through the HTTP interface. From a tactical standpoint within the MITRE ATT&CK framework, this flaw facilitates Initial Access and Privilege Escalation techniques, allowing an attacker to establish a foothold in the network and subsequently move laterally or extract data with elevated privileges without detection by standard authentication monitoring tools.
Mitigation strategies must focus on immediate remediation through vendor-provided patches that address the specific code flaws within the Admin UI component. Organizations running affected versions should prioritize applying the latest security updates provided by Oracle to close this access control gap. In cases where patching is not immediately feasible, network-level controls such as Web Application Firewalls can be configured to block requests targeting known vulnerable endpoints or parameters associated with administrative functions. Additionally, restricting HTTP traffic and enforcing HTTPS for all administrative interfaces adds a layer of encryption that may complicate certain types of exploitation attempts, although it does not replace the need for fixing the underlying authentication deficiency. Regular auditing of access logs is also recommended to detect any signs of attempted unauthorized access leveraging this specific vulnerability vector.