CVE-2026-87394

CVE-2026-87394

High · published October 21, 2026

CVSS v3.1
8.2
EPSS
0%
Percentile
35.7
In the wild
Unconfirmed
What it is

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core). The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Outside In Technology accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00425 · 35.7th percentile
Published
2026-10-21T02:20Z
References (1)
EPSS history
Timeline
  • 22 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:24Z
    Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core)
    cvelistv5
  • 20 OCT 21:24Z
    Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core)
    cvelistv5