CVE-2026-71163CWE-284broken-access-control

CVE-2026-71163

Critical · published September 16, 2026

CVSS v3.1
9.9
EPSS
0%
Percentile
31.5
In the wild
Unconfirmed
What it is

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Access Manager. While the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Access Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Access Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Access Manager. 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:L).

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:L
CVSS v4.0
Not supplied
EPSS
0.00387 · 31.5th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-09-16T00:17Z
Affected products (2)
ProductVersionsFixed in
oracle/access_managerall versions—
oracle/access_managerall versions—
References (1)
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 15 SEP 20:02Z
    Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine)
    cvelistv5