This vulnerability exists in the Oracle Purchasing product component G-Invoicing of Oracle E-Business Suite versions 12.2.10 to 12.2.15. It enables a low-privileged attacker with network access over HTTP to compromise Oracle Purchasing, resulting in unauthorized creation, deletion, or modification of critical data or complete access to all data accessible by Oracle Purchasing. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality and integrity impacts without availability impact. Oracle has included this fix in its September 2026 Critical Security Patch Update, which contains 673 security patches across multiple products.

Successful exploitation allows unauthorized creation, deletion, or modification of critical data within Oracle Purchasing, or unauthorized access to all data accessible by Oracle Purchasing. This compromises confidentiality and integrity of sensitive business data, potentially leading to significant operational and financial risks. Availability is not impacted by this vulnerability.

Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers are strongly advised to apply the provided security patches promptly to remediate this issue. Oracle emphasizes remaining on actively-supported versions and applying patches without delay to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.