CVE-2026-83426 Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-83426?
CVE-2026-83426 is a high-severity vulnerability in Oracle Access Manager, published on 20 Oct 2026.
Official description
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. Difficult to exploit 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 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. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).
Weakness: CWE-287
Which versions are affected by CVE-2026-83426?
How do I fix CVE-2026-83426?
No fix has been published for CVE-2026-83426 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-83426 being exploited?
There is no known exploitation of CVE-2026-83426 in the wild and no public exploit code.
Sources
Also known as GHSA-w8g3-mf5m-r4w7.