CVE-2026-83399
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)
- Risk score
- 72/100
- CVSS
- 9.8 v3.1
- Exploit chance (30 days)
- 0.5%
- Published
- 20 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- A critical vulnerability in Oracle WebLogic Server allows an attacker to take over the server without authentication. This could result in a takeover of the server.
- Affected
- {'products': ['Oracle WebLogic Server'], 'packages': [], 'versions': ['12.2.1.4.0', '14.1.1.0.0', '14.1.2.0.0', '15.1.1.0.0']}
- Fix
- Check the linked advisory for the concrete fix.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.8 critical
- Remotely exploitable without logging in
References
Original description
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Last activity 20 Oct 2026. Patch Forecast updates every hour.