Auth bypass in Oracle Corporation Access Manager
CVE-2026-71133
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 unauthenticated 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 takeover of Oracle Access Manager. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Oracle Corporation Access Manager — versions 12.2.1.4.0, 14.1.2.1.0
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-71133?
- CVE-2026-71133 is a critical-severity vulnerability in Oracle Corporation Access Manager, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-09-15.
- How severe is CVE-2026-71133?
- Critical severity. CVSS v3 base score is 10.0 out of 10.