CVE-2026-83050 in WebCenter Portal
Summary
by MITRE • 09/16/2026
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. 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 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N).
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Runtime Tools component of Oracle WebCenter Portal, a key element of the Oracle Fusion Middleware suite. This security flaw affects specific supported versions, namely 12.2.1.4.0 and 14.1.2.0.0, indicating that organizations running these particular releases are at risk. The nature of this vulnerability is particularly concerning because it can be exploited by an attacker with low privileges who has network access via the HTTP protocol. This means that a user does not need high-level administrative rights or complex social engineering tactics to initiate an attack; rather, basic authenticated access combined with standard web connectivity is sufficient to trigger the exploit. The presence of this flaw in the runtime tools suggests a weakness in how the application processes requests at the execution level, potentially allowing malicious inputs to bypass intended security controls and manipulate server-side operations unexpectedly.
From a technical perspective, the vulnerability enables unauthorized actions that compromise both the confidentiality and integrity of data managed by Oracle WebCenter Portal. Successful exploitation allows an attacker to gain access to critical data that should remain restricted, leading to significant information disclosure. Furthermore, the flaw permits unauthorized updates, inserts, or deletes against accessible data within the portal environment. This dual impact on confidentiality and integrity highlights a severe breakdown in access control mechanisms or input validation processes. The ability to modify data introduces risks such as defacement, corruption of business records, or manipulation of application logic, which can have cascading effects on downstream systems that rely on the accuracy and availability of this information.
The operational impact of this vulnerability is substantial, as reflected by its CVSS 3.1 Base Score of 7.1, classified as High severity. The specific vector components indicate a network-based attack with low complexity requirements and no user interaction needed beyond initial access privileges. The scope remains unchanged, meaning the attacker impacts only resources within their own privilege domain, yet the impact on confidentiality is high while integrity suffers moderate damage. In practical terms, this could lead to sensitive corporate information being leaked or altered without detection. For enterprises relying on Oracle WebCenter Portal for collaboration and content management, such a breach undermines trust in the platform's security posture and may result in regulatory non-compliance if protected data is exposed or tampered with.
To mitigate these risks, organizations should prioritize applying the latest security patches provided by Oracle for the affected versions of Fusion Middleware. Regularly updating to supported releases ensures that known vulnerabilities are addressed through official fixes. Additionally, implementing strict network segmentation and firewall rules can limit exposure by restricting HTTP access to only authorized IP ranges or internal networks where possible. Enforcing multi-factor authentication and ensuring that all user accounts adhere to the principle of least privilege will reduce the likelihood of low-privileged attackers gaining sufficient footholds to exploit this flaw. Continuous monitoring for anomalous activity related to data modification or unauthorized access attempts can also aid in early detection and response, minimizing potential damage from successful exploitation events aligned with CWE classifications such as improper input validation or broken access control mechanisms.