CVE-2026-87419
Received Received - Intake

Oracle Service Bus Remote Code Execution Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-21

Assigner: Oracle

Description
Vulnerability in the Oracle Service Bus product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Service Bus. Successful attacks of this vulnerability can result in takeover of Oracle Service Bus. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

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Meta Information

Published
2026-10-20
Last Modified
2026-10-21
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
CVE-2026-87419
EUVD
EUVD-2026-106458

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Oracle Corporation Oracle Service Bus 12.2.1.4.0
Oracle Corporation Oracle Service Bus 14.1.2.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

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Executive Summary

This is a vulnerability in Oracle Service Bus versions 12.2.1.4.0 and 14.1.2.0.0. It allows a low-privileged attacker with network access via HTTP to compromise the system. Successful exploitation can lead to complete takeover of Oracle Service Bus.

Impact Analysis

An attacker could gain full control over Oracle Service Bus, potentially leading to unauthorized access, data breaches, or disruption of services. The high CVSS score indicates significant impact on confidentiality, integrity, and availability.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate GDPR or HIPAA requirements for data protection and confidentiality. Organizations using affected versions should address this to maintain compliance.

Mitigation Strategies

Apply the latest security patches from Oracle for Oracle Service Bus versions 12.2.1.4.0 and 14.1.2.0.0. Restrict network access to HTTP ports used by Oracle Service Bus. Review and enforce strict access controls for low-privileged users.

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