CVE-2026-83198

Deferred Deferred - Pending Action

Oracle Field Service Unauthorized Data Access Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: Oracle

Description

Vulnerability in the Oracle Field Service 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 Field Service. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Field Service, 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 Field Service accessible data as well as unauthorized read access to a subset of Oracle Field Service accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83198

EUVD

EUVD-2026-79550

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-601	The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Field Service, part of Oracle E-Business Suite. It affects versions 12.2.3 to 12.2.15. The issue allows a low-privileged attacker with network access to potentially compromise the system via HTTP. Exploitation requires human interaction beyond the attacker's control.

Detection Guidance

Detection of CVE-2026-83198 requires monitoring Oracle Field Service logs for unusual HTTP access patterns or unauthorized data modifications. Check for suspicious user interactions via HTTP that could indicate exploitation attempts. Review logs for any low-privileged users performing actions outside their expected scope.

Impact Analysis

An attacker could gain unauthorized access to modify, insert, or delete some data in Oracle Field Service. They could also read a subset of accessible data. This could lead to data breaches or unauthorized changes in the system.

Compliance Impact

This vulnerability may impact compliance with GDPR and HIPAA due to unauthorized read and write access to Oracle Field Service data. Unauthorized data access could lead to violations of confidentiality and integrity requirements under these regulations.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle E-Business Suite, specifically for the Oracle Field Service component. Ensure network access controls restrict HTTP access to only trusted sources. Monitor for unauthorized data access or modifications in Oracle Field Service logs.

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