CVE-2026-70827 in MES for Process Manufacturing
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle MES for Process Manufacturing 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 MES for Process Manufacturing. While the vulnerability is in Oracle MES for Process Manufacturing, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle MES for Process Manufacturing accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Internal Operations component of Oracle MES for Process Manufacturing, a critical module within the broader Oracle E-Business Suite ecosystem affecting versions 12.2.3 through 12.2.15. This security flaw represents a significant risk to organizations relying on these specific releases for their manufacturing execution processes. The core technical issue stems from an improper access control mechanism that permits low-privileged users, who possess valid network credentials and HTTP-based connectivity, to bypass intended authorization checks. Unlike high-severity vulnerabilities requiring complex exploitation chains or user interaction, this flaw is easily exploitable in a remote context without the need for any visual interface manipulation by the victim, allowing attackers to directly interact with vulnerable endpoints via standard web protocols.
The operational impact of this vulnerability extends beyond the immediate scope of Oracle MES for Process Manufacturing due to potential architectural dependencies and shared data stores within the E-Business Suite environment. While the primary flaw is localized to the Internal Operations component, successful exploitation can lead to a broader compromise known as a scope change, where attackers gain footholds that affect additional integrated products. The most severe consequence is the unauthorized access to critical business data. Attackers with low privileges can escalate their effective permissions to retrieve sensitive information, including production schedules, inventory levels, and proprietary manufacturing processes. In worst-case scenarios, this results in complete access to all data accessible by the MES system, leading to substantial confidentiality breaches that could expose trade secrets or violate regulatory compliance requirements such as GDPR or HIPAA if applicable data is involved.
From a classification perspective, this vulnerability aligns with CWE-269, which describes Improper Privilege Assignment, and specifically relates to CWE-862, the Missing Authorization check within application logic. The attack vector corresponds directly to MITRE ATT&CK technique T1078, Valid Accounts, as it leverages legitimate but low-level credentials to perform unauthorized actions. Furthermore, because the exploitation occurs over a network via HTTP without user interaction, it fits the profile of remote code execution or data exfiltration vectors often seen in web application attacks where session management or API endpoint security is insufficiently enforced. The CVSS 3.1 base score of 7.7 reflects high confidentiality impact with no direct integrity or availability loss initially, but the potential for scope change elevates the practical risk to critical levels for enterprise environments.
Mitigation strategies must prioritize immediate patching and access control hardening. Organizations running affected versions should apply the latest security patches provided by Oracle as soon as they are available in their respective release streams. In the interim, before patching can be implemented, network segmentation is recommended to restrict HTTP access to the MES Internal Operations components strictly from trusted management networks or jump hosts rather than open internet exposure. Additionally, implementing strict role-based access control policies and monitoring for anomalous data retrieval patterns by low-privileged accounts can help detect exploitation attempts early. Security teams should also review API gateway configurations to ensure that authentication tokens are correctly validated against the specific resource permissions required for each request, thereby closing the gap exploited by this vulnerability.