CVE-2026-91511

Analyzed Analyzed - Analysis Complete

Oracle Purchasing Unauthorized Data Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

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. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Purchasing. While the vulnerability is in Oracle Purchasing, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Purchasing accessible data as well as unauthorized update, insert or delete access to some of Oracle Purchasing accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-05

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91511

EUVD

EUVD-2026-106750

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	purchasing	From 12.2.3 (inc) to 12.2.15 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Purchasing, part of Oracle E-Business Suite. It affects versions 12.2.3 to 12.2.15. A low-privileged attacker with network access via HTTP can exploit it to compromise Oracle Purchasing. The vulnerability may also impact other products. Successful exploitation can lead to unauthorized access to critical data or complete access to all Oracle Purchasing accessible data, as well as unauthorized data modification.

Impact Analysis

If you use Oracle Purchasing versions 12.2.3 to 12.2.15, an attacker could gain unauthorized access to sensitive data or modify data within the system. This could lead to data breaches, financial loss, or operational disruptions. The impact is significant due to the potential for complete data access and modification.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected Oracle Purchasing versions may face legal penalties, reputational damage, and increased scrutiny for failing to protect personal or health data.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle E-Business Suite to address the vulnerability in the Purchasing component. Ensure all affected versions (12.2.3-12.2.15) are updated immediately.

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EPSS Chart

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