CVE-2026-83065 Auth bypass in Oracle WebCenter Portal
An unauthenticated attacker on the local network can bypass authentication to take over the Oracle WebCenter Portal application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83065?
CVE-2026-83065 is a high-severity authentication bypass vulnerability in Oracle WebCenter Portal, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). The supported version that is affected is 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle WebCenter Portal executes to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-83065?
How do I fix CVE-2026-83065?
No fix has been published for CVE-2026-83065 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-2026-83065 being exploited?
There is no known exploitation of CVE-2026-83065 in the wild and no public exploit code.
Sources
Also known as GHSA-7r47-g5jc-3jq2.