CVE-2026-83045 Missing authorization in Oracle WebCenter Portal
Low-privileged attackers can access and modify critical data in Oracle WebCenter Portal via HTTP due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83045?
CVE-2026-83045 is a high-severity missing authorization vulnerability in Oracle Webcenter Portal, published on 15 Sep 2026. Any signed-in user can exploit it over the network, 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 low 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 unauthorized access to critical data or complete access to all Oracle WebCenter Portal accessible data as well as unauthorized update, insert or delete access to some of Oracle WebCenter Portal accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-83045?
It affects 1 product.
Products include Oracle Webcenter Portal.
How do I fix CVE-2026-83045?
No fix has been published for CVE-2026-83045 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-83045 being exploited?
There is no known exploitation of CVE-2026-83045 in the wild and no public exploit code.
Other vulnerabilities in Oracle Webcenter Portal
Sources
Also known as GHSA-3fxm-g2c7-m7w9.