CVE-2026-87168 in Purchasing
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Purchasing product of Oracle E-Business Suite (component: G-Invoicing). Supported versions that are affected are 12.2.10-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Purchasing. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Purchasing accessible data as well as unauthorized access to critical data or complete access to all Oracle Purchasing accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the G-Invoicing component of Oracle Purchasing, a critical module in the Oracle E-Business Suite ecosystem. This security flaw affects supported software versions ranging from 12.2.10 through 12.2.15. The nature of this defect allows for exploitation by an attacker who possesses low-level privileges and has network access via HTTP to the affected system. Unlike vulnerabilities that require user interaction or high-privilege accounts, this flaw can be leveraged by individuals with minimal initial access rights, significantly lowering the barrier to entry for malicious actors targeting enterprise resource planning environments.
From a technical perspective, the vulnerability enables unauthorized manipulation of data integrity and confidentiality within the Oracle Purchasing application. Successful exploitation permits an attacker to create, delete, or modify critical business records without authorization. This capability extends beyond specific sensitive fields to encompass all data accessible through the Oracle Purchasing interface. The impact is severe because it compromises both the accuracy of financial transactions and the secrecy of proprietary procurement information. Attackers can alter purchase orders, invoices, or supplier details, potentially leading to significant financial fraud, operational disruption, or regulatory non-compliance depending on the organization's industry standards.
The severity of this issue is quantified by a CVSS 3.1 Base Score of 8.1, indicating a High level of risk. The vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) highlights that the attack requires no user interface interaction and has low complexity, while preserving availability but severely impacting confidentiality and integrity. In terms of industry classification frameworks, this vulnerability aligns with CWE-269 Improper Privilege Management if it involves privilege escalation to gain broader access, or more directly with CWE-798 Use of Hard-coded Credentials if authentication bypass is involved, though the primary impact categories are CWE-352 Cross-Site Request Forgery or CWE-200 Information Exposure depending on the specific mechanism. In the MITRE ATT&CK framework, this behavior maps to techniques involving Data Manipulation and potentially Initial Access via web services, reflecting how attackers can inject malicious requests into legitimate application workflows.
To mitigate this risk, organizations must prioritize patching all affected instances of Oracle E-Business Suite running versions 12.2.10 through 12.2.15 with the latest security patches provided by Oracle. Immediate implementation is crucial given the low barrier to exploitation and high impact on data integrity. Additionally, network segmentation strategies should be reviewed to ensure that HTTP access to these components is restricted to authorized IP ranges only. Implementing Web Application Firewalls can provide an additional layer of defense by detecting and blocking anomalous request patterns associated with this vulnerability. Regular audits of user privileges within the purchasing module are also recommended to minimize the attack surface for low-privileged accounts, ensuring that even if exploitation occurs, the scope of potential damage is contained.