CVE-2026-83274 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 Oracle Agile PLM MCAD Connector, a component within the broader Oracle Supply Chain management suite, has been identified with a significant security flaw in version 3.6 affecting its CAX Client module. This vulnerability stems from an improper access control mechanism that fails to adequately restrict data retrieval operations based on user privileges. The core technical issue involves insufficient verification of authorization credentials when processing requests for sensitive product lifecycle management data. As a result, the system does not properly enforce separation between low-privileged users and high-level administrative or confidential datasets stored within the connected MCAD environment. This architectural weakness allows an attacker who has obtained valid login credentials to bypass intended security boundaries, effectively elevating their access rights beyond what was originally granted by the system administrator.
From a technical perspective, this flaw aligns with CWE-269, which describes Improper Privilege Management, and specifically relates to CWE-862, Missing Authorization. The vulnerability is classified as locally exploitable, meaning that an attacker must first have authenticated access to the infrastructure where the Oracle Agile PLM MCAD Connector executes. This requirement significantly narrows the attack surface compared to remote code execution or network-based exploits but remains critical for organizations with internal threat vectors such as compromised employee accounts or insider threats. The absence of a user interface interaction component, indicated by UI:N in the CVSS vector, suggests that exploitation can be automated once initial access is gained, allowing an attacker to script queries against the CAX Client API without manual intervention.
The operational impact of this vulnerability is primarily centered on data confidentiality rather than integrity or availability. Successful exploitation enables unauthorized entities to extract critical intellectual property, design specifications, and other sensitive product lifecycle information that should be restricted to authorized personnel only. In a manufacturing or engineering context, such as those utilizing MCAD for computer-aided design management, the exposure of proprietary designs can lead to severe competitive disadvantages, loss of trade secrets, and potential regulatory non-compliance depending on the industry sector. The CVSS 3.1 base score of 5.5 reflects this medium-severity impact, driven by high confidentiality implications while maintaining low attack complexity and requiring only local network access with existing credentials.
To mitigate this risk, organizations should immediately apply the latest security patches provided by Oracle for version 3.6 or upgrade to a newer supported release where these authorization checks have been hardened. In addition to patching, it is crucial to implement strict least-privilege principles across all user accounts interacting with the Agile PLM system. This includes regularly auditing user permissions and removing unnecessary access rights from low-level users who do not require exposure to sensitive design data. Furthermore, deploying network segmentation strategies can limit lateral movement within the infrastructure, ensuring that even if an attacker gains a foothold on one segment, they cannot easily reach the servers hosting the Oracle Agile PLM MCAD Connector. Monitoring tools should be configured to detect anomalous query patterns or excessive data retrieval activities from low-privileged accounts, which may indicate active exploitation attempts consistent with ATT&CK technique T1078 Valid Accounts and T1530 Data from Cloud Storage Object Discovery.