CVE-2026-83020 Auth bypass in Oracle Platform Security for Java
Unauthenticated attackers can bypass authentication to take over Oracle Platform Security for Java, leading to full system compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83020?
CVE-2026-83020 is a critical authentication bypass vulnerability in Oracle Platform Security for Java, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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).
Which versions are affected by CVE-2026-83020?
How do I fix CVE-2026-83020?
No fix has been published for CVE-2026-83020 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-83020 being exploited?
There is no known exploitation of CVE-2026-83020 in the wild and no public exploit code.
Sources
Also known as GHSA-2xxw-x28h-g67h.