CVE-2026-73957 Missing authorization in Oracle WebCenter Portal
Unauthenticated attackers can modify or read critical data in Oracle WebCenter Portal via HTTP, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-73957?
CVE-2026-73957 is a critical missing authorization vulnerability in Oracle Webcenter Portal, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks require human interaction from a person other than the attacker and 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 creation, deletion or modification access to critical data or all Oracle WebCenter Portal accessible data as well as unauthorized access to critical data or complete access to all Oracle WebCenter Portal accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-73957?
It affects 1 product.
Products include Oracle Webcenter Portal.
How do I fix CVE-2026-73957?
No fix has been published for CVE-2026-73957 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-2026-73957 being exploited?
There is no known exploitation of CVE-2026-73957 in the wild and no public exploit code.
Other vulnerabilities in Oracle Webcenter Portal
Sources
Also known as GHSA-jhm6-4593-gph5.