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High · 8.8 CVE-2026-87420 EUVD-2026-106459GHSA-559h-f6mc-46rp

Vulnerability in the Oracle Service Bus product of Oracle Fusion Middleware (component: Core). The supported version that is affected is 14…

Published Oct 20, 2026 · Updated Oct 21, 2026 · Assigned by oracle

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).

Affected products

VendorProductAffectedFixed
Oracle Oracle Service Bus 14.1.2.0.0 —

Advisories 2

References