CVE-2026-87369

High

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 unauthenticated attacker with network access via HTTP to compromise Oracle Service Bus. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Service Bus. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

SeverityHigh
CVSS7.5
Exploit probability—
ProductOracle Service Bus
PublishedOct 20, 2026
First seenOct 20, 2026

How to fix

Affected products

ProductAffected versionsFixed in
Oracle Corporation Oracle Service Bus12.2.1.4.0, 14.1.2.0.0—
oracle service_bus12.2.1.4.0, 14.1.2.0.0—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.