CVE-2026-87359
Received Received - Intake

Oracle Service Bus Remote Code Execution

Publication date: 2026-10-20

Last updated on: 2026-10-20

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).

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-10-21
AI Q&A
2026-10-21
EPSS Evaluated
N/A
NVD
CVE-2026-87359

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-UNKNOWN

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Executive Summary

This is a vulnerability in Oracle Service Bus, a middleware product. It allows a low-privileged attacker with network access to take over the system by exploiting a flaw in the Core component. The attack is possible via HTTP and can lead to full compromise of the Oracle Service Bus.

Impact Analysis

If exploited, this vulnerability can result in the complete takeover of Oracle Service Bus. This means an attacker could gain control over the system, potentially accessing, modifying, or deleting sensitive data, disrupting services, or using the compromised system for further attacks.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Such incidents could result in legal penalties, reputational damage, and loss of trust due to compromised data confidentiality and integrity.

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 to trusted sources only. Review and enforce strong authentication mechanisms for low-privileged users.

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