CVE-2026-70797 in Purchasing
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Purchasing 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 high privileged attacker with network access via HTTP to compromise Oracle Purchasing. Successful attacks of this vulnerability can result in takeover of Oracle Purchasing. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Internal Operations component of Oracle Purchasing, a critical module in the Oracle E-Business Suite ecosystem. This security flaw affects supported software versions ranging from 12.2.3 through 12.2.15. The nature of this defect allows for an exploitation scenario that is relatively straightforward due to its low complexity requirements and lack of user interaction prerequisites. However, it strictly requires the attacker to possess high-level privileges within the application environment prior to initiating the attack vector. This prerequisite distinguishes it from remote code execution vulnerabilities accessible by unauthenticated users, placing it in a category where insider threats or compromised administrative accounts pose the primary risk profile rather than external brute-force attempts.
From a technical perspective, the vulnerability is exploitable via network access through the HTTP protocol. The specific mechanism involves manipulating internal operations within the purchasing workflow to escalate privileges or alter system state beyond intended boundaries. Because the attack vector requires high-privileged authentication, it suggests that the flaw likely stems from an improper authorization check or logic error in how administrative functions are processed over web interfaces. An attacker who has already gained access with elevated rights can leverage this weakness to bypass additional security controls embedded within the application layer. This effectively neutralizes defense-in-depth measures designed to protect sensitive procurement data and operational integrity, allowing for a complete compromise of the Oracle Purchasing module's functionality.
The operational impact of successfully exploiting this vulnerability is severe, as indicated by its CVSS 3.1 base score of 7.2, which classifies it as High severity. The vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) reveals that the attack has a high impact on confidentiality, integrity, and availability while maintaining an unmodified scope. This means that once exploited, an attacker can fully access sensitive financial data, modify transaction records to facilitate fraud or operational disruption, and potentially render the purchasing system unavailable for legitimate business processes. In enterprise environments where Oracle E-Business Suite manages significant supply chain operations, such a compromise could lead to substantial financial loss, regulatory non-compliance due to data exposure, and severe disruptions to procurement workflows that rely on accurate and available transactional records.
In terms of industry standard classifications, this vulnerability aligns with CWE-269 Improper Privilege Management or potentially CWE-862 Missing Authorization, depending on the specific code path exploited within the internal operations module. The attack pattern corresponds closely to MITRE ATT&CK techniques involving Lateral Movement and Defense Evasion, specifically leveraging valid credentials to move laterally across systems or bypass security monitoring by abusing trusted administrative functions. Organizations must recognize that while external network access is a factor, the primary defense lies in strict identity and access management practices rather than just perimeter firewalls.
To mitigate this risk, immediate action should focus on applying the latest available patches provided by Oracle for versions 12.2.3 through 12.2.15. Since exploitation requires high-privileged access, organizations must rigorously audit user accounts with administrative rights within the E-Business Suite environment to ensure that such privileges are granted only to essential personnel and are closely monitored. Implementing multi-factor authentication for all privileged accounts can significantly raise the barrier for attackers who have obtained credentials through other means. Additionally, network segmentation strategies should be employed to restrict HTTP access to sensitive internal operations modules from untrusted networks, ensuring that even if an attacker gains initial foothold elsewhere in the infrastructure, they cannot easily reach this specific component without passing additional security controls. Regular vulnerability scanning and penetration testing focused on privileged account abuse will help identify potential weaknesses before they can be exploited by malicious actors seeking to compromise critical business applications.