CVE-2026-87369CWE-400denial-of-service

CVE-2026-87369

High · published October 21, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
37.2
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00441 · 37.2th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-10-21T02:20Z
References (1)
https://www.oracle.com/security-alerts/cpuoct2026.html · [email protected]
EPSS history
Timeline
  • 22 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:24Z
    Vulnerability in the Oracle Service Bus product of Oracle Fusion Middleware (component: Core)
    cvelistv5
  • 20 OCT 21:24Z
    Vulnerability in the Oracle Service Bus product of Oracle Fusion Middleware (component: Core)
    cvelistv5