CVE-2026-73953CWE-287CWE-306

CVE-2026-73953

Critical · published September 16, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
42.4
In the wild
Unconfirmed
What it is

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). 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 WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00508 · 42.4th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2026-09-16T00:17Z
Affected products (2)
ProductVersionsFixed in
oracle/webcenter_portalall versions—
oracle/webcenter_portalall versions—
References (1)
https://www.oracle.com/security-alerts/cspusep2026.html · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 15 SEP 20:02Z
    Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services)
    cvelistv5