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).
Published: 2026-10-20
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
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Remediation

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Tracking

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Advisories

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History

Thu, 22 Oct 2026 04:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 22 Oct 2026 01:00:00 +0000

Type Values Removed Values Added
Title Unauthorized Access Leading to Full Takeover of Oracle Service Bus via HTTP
Weaknesses CWE-287

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Title Unauthorized Access Leading to Full Takeover of Oracle Service Bus via HTTP
Weaknesses CWE-284
CWE-287

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
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).
First Time appeared Oracle
Oracle service Bus
CPEs cpe:2.3:a:oracle:service_bus:14.1.2.0.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle service Bus
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Oracle Service Bus
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-21T14:12:07.234Z

Reserved: 2026-09-08T21:49:12.417Z

Link: CVE-2026-87420

cve-icon Vulnrichment

Updated: 2026-10-21T14:12:00.749Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T22:20:20.497

Modified: 2026-10-21T18:45:11.277

Link: CVE-2026-87420

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T09:15:03Z

Weaknesses