CVE-2026-87420

HighCVSS 8.8/10Last modified Nov 11, 2026

Description

Vulnerability in the Oracle Service Bus product of Oracle Fusion Middleware (component: Core). The supported version that is affected is 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).

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284

Affected software

Vendor	Product	Versions
Oracle Corporation	Oracle Service Bus	14.1.2.0.0

References

https://www.oracle.com/security-alerts/cpuoct2026.html

Timeline

Published: Oct 20, 2026
Last modified: Nov 11, 2026
NVD status: Analyzed

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