CVE-2026-101846 in Purchasing
Summary
by MITRE • 10/21/2026
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 network access via HTTP to compromise Oracle Purchasing. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Purchasing accessible data. CVSS 3.1 Base Score 3.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 10/22/2026
The identified vulnerability resides within the Internal Operations component of Oracle Purchasing, a critical module in the Oracle E-Business Suite ecosystem that manages procurement workflows and supplier interactions. This security flaw affects supported software versions ranging from 12.2.3 through 12.2.15, indicating a persistent risk across multiple release cycles where legacy code or insufficient input validation mechanisms remain unpatched. The vulnerability is classified as an internal operations issue, suggesting that the defect lies within backend processing logic rather than in external-facing API endpoints directly exposed to unauthenticated users. This context highlights the importance of securing not just public interfaces but also the underlying business logic layers that handle sensitive procurement data such as purchase orders, supplier contracts, and inventory allocations.
From a technical perspective, this vulnerability is characterized by an easily exploitable flaw that permits low-privileged attackers with network access via HTTP to compromise the integrity of Oracle Purchasing data. The attack vector requires human interaction from a user other than the attacker, which typically implies social engineering tactics such as phishing or malicious link injection within legitimate business communications. Once triggered, the vulnerability allows for unauthorized updates, inserts, or deletes against accessible data within the application. This specific behavior aligns with CWE-253, an incorrect check of a condition that leads to unintended state changes, and potentially CWE-918, where server-side code executes without proper validation of inputs from web clients. The reliance on HTTP rather than HTTPS further exacerbates the risk by allowing potential interception or manipulation of requests in transit if network security controls are not strictly enforced.
The operational impact of this vulnerability centers primarily on data integrity, as reflected in its CVSS 3.1 base score of 3.5 with an Integrity impact rating. While confidentiality and availability remain unaffected according to the provided vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N), the ability for a low-privileged user to alter, insert, or delete procurement data can have severe downstream consequences. Unauthorized modifications could lead to financial discrepancies, incorrect supplier payments, disrupted supply chain operations, and non-compliance with internal audit requirements. In enterprise environments where Oracle E-Business Suite is deeply integrated with ERP systems, such integrity violations can cascade into broader operational failures, affecting inventory management, accounts payable, and general ledger accuracy. The requirement for human interaction lowers the immediate threat level but does not eliminate it; rather, it shifts the attack surface toward social engineering vectors that target employees with legitimate access to the purchasing module.
To mitigate this vulnerability, organizations must prioritize applying the latest security patches provided by Oracle for all affected versions within the 12.2.x series. Since the exploit requires low-privileged network access and human interaction, implementing strict role-based access control is essential to ensure that only authorized personnel can perform critical data modifications. Additionally, enforcing HTTPS across all internal and external connections to the E-Business Suite environment will prevent man-in-the-middle attacks that could facilitate request manipulation or credential theft during social engineering attempts. Security awareness training should be conducted for employees who interact with purchasing workflows to recognize suspicious links or requests that might trigger this vulnerability. Furthermore, deploying web application firewalls can help detect and block anomalous HTTP requests associated with the exploitation pattern, adding a layer of defense-in-depth while patching efforts are underway. Monitoring logs for unusual data modification patterns within the Purchasing module can also aid in early detection of potential compromise attempts aligned with ATT&CK techniques such as T1078 Valid Accounts or T1566 Phishing.