CVE-2026-91354

CVE-2026-91354

Critical · published October 21, 2026

CVSS v3.1
9.9
EPSS
0%
Percentile
24.7
In the wild
Unconfirmed
What it is

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Clean Content SDK). The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Outside In Technology. While the vulnerability is in Oracle Outside In Technology, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Outside In Technology. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00328 · 24.7th percentile
Published
2026-10-21T02:20Z
References (1)
EPSS history
Timeline
  • 22 OCT 03:36Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:25Z
    Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Clean Content SDK)
    cvelistv5
  • 20 OCT 21:25Z
    Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Clean Content SDK)
    cvelistv5