CVE-2026-101676 in Concurrent Processing
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Concurrent Processing product of Oracle E-Business Suite (component: Other Issues). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Concurrent Processing executes to compromise Oracle Concurrent Processing. Successful attacks of this vulnerability can result in takeover of Oracle Concurrent Processing. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Oracle Concurrent Processing component of Oracle E-Business Suite, specifically affecting supported versions ranging from 12.2.3 through 12.2.15. This security flaw is categorized under Other Issues and represents a significant risk to organizations relying on this enterprise resource planning platform for their operational workflows. The vulnerability allows an attacker with low privileges who has established logon access to the infrastructure where Oracle Concurrent Processing executes to compromise the integrity of the application. Unlike vulnerabilities that require remote network exploitation or complex user interaction, this flaw leverages local system access and minimal authentication requirements, making it particularly dangerous in environments where internal users may have varying levels of system permissions but are not fully trusted administrators.
From a technical perspective, the core issue enables an attacker to escalate privileges within the context of the Oracle Concurrent Processing service. By exploiting this weakness, a low-privileged user can execute unauthorized actions that lead to a complete takeover of the processing engine. This effectively bypasses standard access controls and security boundaries designed to isolate different components of the E-Business Suite. The attack vector is classified as local with low complexity, meaning it does not require sophisticated techniques or specific conditions beyond having valid credentials on the host machine running the concurrent manager services. Once exploited, the attacker gains the ability to manipulate system resources, access sensitive data, and potentially pivot to other systems within the network infrastructure that relies on Oracle E-Business Suite for critical business functions.
The operational impact of this vulnerability is severe, as reflected by its CVSS 3.1 base score of 7.8, which indicates a high severity level. The vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms that the compromise affects all three pillars of information security: confidentiality, integrity, and availability. An attacker can exfiltrate confidential business data stored within the E-Business Suite database or file systems, alter critical transactional records leading to financial or operational discrepancies, and disrupt service by crashing concurrent processing jobs or consuming excessive system resources. This triad of impacts means that a single successful exploit can lead to widespread disruption of enterprise operations, loss of trust in data accuracy, and exposure of proprietary information.
In terms of industry standard classifications, this vulnerability aligns with CWE-269 Improper Privilege Management, as it allows an actor to exceed their intended permissions. It also maps closely to MITRE ATT&CK techniques such as T1078 Valid Accounts, since the attack requires valid logon credentials, and potentially T1053 Scheduled Task/Job if the attacker leverages concurrent processing jobs for persistence or execution of malicious commands. The lack of user interaction requirement further simplifies the exploitation process, allowing automated tools to target this weakness once initial access is gained through other means such as phishing or credential theft.
To mitigate this risk, organizations must apply the latest security patches provided by Oracle immediately. It is critical to verify that all instances running supported versions 12.2.3 through 12.2.15 are updated to a version where this flaw has been remediated. Beyond patching, implementing strict least-privilege principles for accounts with access to the concurrent processing infrastructure is essential. Administrators should review and restrict local logon rights for non-administrative users on servers hosting Oracle E-Business Suite components. Additionally, deploying intrusion detection systems that monitor for unusual process execution or privilege escalation attempts within these environments can provide an additional layer of defense against exploitation. Regular audits of user permissions and continuous monitoring of system logs are recommended to detect any signs of attempted compromise before significant damage occurs.