CVE-2026-70798 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 low privileged attacker with logon to the infrastructure where Oracle Purchasing executes to compromise Oracle Purchasing. Successful attacks of this vulnerability can result in takeover of Oracle Purchasing. 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 • 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 designed to manage procurement processes such as purchase orders and supplier management. This security flaw affects supported software versions ranging from 12.2.3 through 12.2.15. The nature of this vulnerability is particularly concerning because it allows for exploitation by an attacker who possesses only low-level privileges on the infrastructure hosting Oracle Purchasing. Unlike many vulnerabilities that require high-privileged access or complex social engineering, this flaw can be triggered by a user with basic logon capabilities to the underlying system where the application executes. This significantly lowers the barrier to entry for potential attackers, as it does not require initial compromise of administrative accounts or sophisticated privilege escalation techniques beyond what might be expected from standard operational users within an enterprise environment.
From a technical perspective, this vulnerability represents a severe breakdown in access control and input validation mechanisms within the Internal Operations module. The ability of a low-privileged user to trigger actions that lead to full application takeover indicates a failure in enforcing the principle of least privilege at the application logic layer. When exploited, an attacker can manipulate internal operations to execute unauthorized commands or alter critical data structures, effectively gaining control over the Oracle Purchasing environment. This level of compromise allows the adversary to bypass standard security controls and interact with the system as if they were a privileged administrator. The vulnerability aligns closely with CWE-269 Improper Privilege Management and CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component, suggesting that the flaw likely stems from insufficient checks on user roles or inadequate sanitization of inputs processed during internal operational tasks.
The operational impact of this vulnerability is substantial, as reflected by its CVSS 3.1 Base Score of 7.8, which classifies it as High severity. The vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) highlights that the attack requires local access but has low complexity and no user interaction requirements. Most critically, the impacts on Confidentiality, Integrity, and Availability are all rated as High. This means a successful exploitation can lead to complete data exfiltration of sensitive procurement information, including supplier contracts, pricing agreements, and purchase histories. Furthermore, an attacker could modify or delete critical transactional records, disrupting business operations and potentially causing financial loss through fraudulent purchasing activities. The availability impact suggests that the vulnerability could also be leveraged for denial-of-service attacks, rendering the Oracle Purchasing module inaccessible to legitimate users and halting procurement workflows across the organization.
In terms of threat modeling, this vulnerability maps directly to MITRE ATT&CK techniques related to Initial Access via Local Accounts and Privilege Escalation. An attacker leveraging this flaw would likely follow a path involving local authentication followed by exploitation of application logic flaws to escalate privileges within the E-Business Suite environment. This could serve as an initial foothold for broader network compromise, allowing lateral movement toward other critical systems connected to or integrated with Oracle E-Business Suite. The lack of required user interaction makes this vulnerability particularly dangerous in automated attack scenarios where scripts can rapidly probe and exploit multiple instances without detection by human operators monitoring for suspicious interactive behavior.
To mitigate the risks associated with this vulnerability, organizations running affected versions must prioritize immediate patching. Applying the latest security patches provided by Oracle is the most effective remediation strategy to address the underlying code flaws in the Internal Operations component. Until patches are applied, administrators should implement strict network segmentation to limit local access to servers hosting Oracle Purchasing, ensuring that only essential service accounts and highly trusted personnel have logon capabilities on these infrastructure nodes. Additionally, deploying Web Application Firewalls with rulesets tuned for E-Business Suite can help detect and block exploit attempts by filtering anomalous requests originating from low-privileged users. Continuous monitoring of system logs for unusual activity patterns associated with privilege escalation or unauthorized data access is also recommended to identify potential exploitation in real-time. Regular audits of user permissions within the Oracle environment should be conducted to ensure that no unnecessary local accounts exist on application servers, thereby reducing the attack surface available to adversaries seeking to leverage this specific flaw.