CVE-2026-87397

CVE-2026-87397

High · published October 21, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
32.1
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 require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Outside In Technology. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00392 · 32.1th 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