CVE-2026-83064 Auth bypass in Oracle WebCenter Portal
High-privileged attackers can compromise Oracle WebCenter Portal via HTTP, leading to full system takeover and significant impact on additional products.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83064?
CVE-2026-83064 is a critical authentication bypass vulnerability in Oracle WebCenter Portal, published on 15 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. While the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-83064?
How do I fix CVE-2026-83064?
No fix has been published for CVE-2026-83064 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-2026-83064 being exploited?
There is no known exploitation of CVE-2026-83064 in the wild and no public exploit code.
Sources
Also known as GHSA-8jfc-rq5w-954c.