CVE-2026-83279 in Agile PLM MCAD Connector
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Agile PLM MCAD Connector product of Oracle Supply Chain (component: CAX Client). The supported version that is affected is 3.6. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Agile PLM MCAD Connector executes to compromise Oracle Agile PLM MCAD Connector. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Agile PLM MCAD Connector accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the CAX Client component of the Oracle Agile PLM MCAD Connector, a critical integration tool used to synchronize data between Oracle Agile Product Lifecycle Management and Autodesk CAD software. This specific flaw affects version 3.6 of the connector and represents a significant security gap for organizations relying on this interface for engineering change management and design collaboration. The vulnerability is classified as an unauthorized access issue that allows attackers with low privileges who have already established logon access to the infrastructure hosting the Oracle Agile PLM MCAD Connector service to compromise the application's integrity. This scenario typically implies that a malicious actor could be any user account on the local system or network segment where the connector operates, leveraging existing credentials rather than exploiting remote code execution vectors from outside the trusted zone.
From a technical perspective, this vulnerability aligns with CWE-284 Improper Access Control and potentially CWE-732 Incorrect Permission Assignment for Critical Resource. The root cause likely involves insufficient validation of user privileges or session tokens when processing requests within the CAX Client module. Because the attacker requires local logon access, the attack vector is classified as Local (AV:L) with Low Complexity (AC:L), meaning no special conditions are needed to exploit it beyond having a valid account on the host machine. The absence of User Interaction (UI:N) indicates that the exploitation does not require social engineering or clicking malicious links; instead, it relies on automated scripts or direct interaction by an authenticated user within the system environment.
The operational impact of this vulnerability is primarily centered around data confidentiality rather than integrity or availability. As indicated by the CVSS 3.1 base score of 5.5 and the vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N), a successful exploit results in High impact on Confidentiality, while Integrity and Availability remain unaffected. This means that an attacker can read sensitive data stored or processed by the Oracle Agile PLM MCAD Connector without altering system files or disrupting service operations. In the context of Product Lifecycle Management (PLM) systems, this could expose proprietary design specifications, bill-of-materials structures, intellectual property related to CAD models, and other trade secrets that are synchronized through the connector. Such data leakage can lead to competitive disadvantage, regulatory non-compliance if sensitive customer or employee data is involved, and potential downstream exploitation of exposed metadata.
In terms of threat modeling, this vulnerability maps to MITRE ATT&CK technique T1078 Valid Accounts, as it relies on legitimate credentials being misused due to insufficient privilege separation. It also relates to T1530 Data from Local System, where an attacker accesses data stored locally or in connected systems without proper authorization controls. The fact that the vulnerability allows complete access to all connector-accessible data suggests a lack of granular permission checks within the CAX Client’s authentication and authorization logic. This broad scope of impact underscores the risk associated with service accounts or shared user profiles often used for automated processes, where credential hygiene may be laxer than in interactive user environments.
Mitigation strategies should focus on both immediate remediation and long-term architectural improvements. The primary recommendation is to apply the latest security patches provided by Oracle for version 3.6 of the Agile PLM MCAD Connector immediately upon availability. If a patch is not yet released, organizations should implement strict access controls limiting logon rights to the specific infrastructure hosting the connector service. This includes enforcing least privilege principles so that only essential administrative accounts or dedicated service accounts with minimal permissions can interact with the CAX Client component. Additionally, network segmentation should be reviewed to ensure that even if an attacker gains local access, lateral movement toward other critical PLM databases is restricted via firewall rules and host-based security controls.
Furthermore, organizations should enhance monitoring capabilities by enabling detailed audit logging for all interactions with the Oracle Agile PLM MCAD Connector service. Detecting unusual patterns of data extraction or unauthorized read operations can help identify potential exploitation attempts in real-time. Regular vulnerability assessments and penetration testing focused on local privilege escalation paths are also recommended to uncover similar misconfigurations across other integrated systems. By combining timely patch management, strict access control policies, and enhanced monitoring, enterprises can significantly reduce the risk surface associated with this confidentiality-focused vulnerability and protect their critical product lifecycle data from unauthorized exposure.