CVE-2026-101558

Modified Modified - Updated After Analysis

Unauthenticated Data Manipulation in Oracle Purchasing

Publication date: 2026-10-20

Last updated on: 2026-11-06

Assigner: Oracle

Description

Vulnerability in the Oracle Purchasing product of Oracle E-Business Suite (component: Approvals). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Purchasing. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Purchasing, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Purchasing accessible data as well as unauthorized read access to a subset of Oracle Purchasing accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-06

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101558

EUVD

EUVD-2026-105968

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-352	The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Purchasing within Oracle E-Business Suite. It allows an unauthenticated attacker to remotely access the system via HTTP and potentially compromise it. The attack requires human interaction from someone other than the attacker.

Detection Guidance

This vulnerability is specific to Oracle E-Business Suite's Purchasing component and requires network access via HTTP. Detection would involve checking for unauthorized access attempts or unusual activity in Oracle Purchasing logs. Review Oracle's security advisories for patches or indicators of compromise.

Impact Analysis

An attacker could exploit this to gain unauthorized access to Oracle Purchasing data, including reading, modifying, or deleting some of the data. This could lead to data breaches or unauthorized changes in procurement processes.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected Oracle E-Business Suite versions should assess potential compliance risks.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle E-Business Suite to address the vulnerability in the Purchasing component.

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