CVE-2026-91240

CVE-2026-91240

Medium · published October 21, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
23.6
In the wild
Unconfirmed
What it is

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00318 · 23.6th percentile
Published
2026-10-21T02:20Z
References (1)
EPSS history
Timeline
  • 22 OCT 03:36Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:24Z
    Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites)
    cvelistv5
  • 20 OCT 21:24Z
    Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites)
    cvelistv5