Auth bypass in Oracle Corporation Platform Security For Java
CVE-2026-83020
Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). 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 Platform Security for Java. While the vulnerability is in Oracle Platform Security for Java, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. 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 Platform Security For Java — versions 12.2.1.4.0, 14.1.2.0.0
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-83020?
- CVE-2026-83020 is a critical-severity vulnerability in Oracle Corporation Platform Security For Java, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-09-15.
- How severe is CVE-2026-83020?
- Critical severity. CVSS v3 base score is 10.0 out of 10.