CVE-2026-83031
CriticalCVSS 9.9Summary
Vulnerability in Oracle WebCenter Sites (WebCenter Sites component) of Oracle Fusion Middleware. Affects versions 12.2.1.4.0 and 14.1.2.0.0. A low privileged attacker with network access via HTTP can easily compromise Oracle WebCenter Sites.
Risk Assessment
Critical risk of system takeover by a low-privileged authenticated user, with potential impact on additional products. CVSS 9.9 indicates very high threat.
Recommendation
Immediately install Oracle security updates for versions 12.2.1.4.0 and 14.1.2.0.0. Apply least privilege principle and monitor low-privileged account activity.
Other vulnerabilities in Oracle WebCenter Sites
See all- CVE-2017-3596High
A vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware allows a low privileged attacker to access critical data. The attacker can gain unauthorized access to data and has the ability to update, insert, or delete data.
- CVE-2017-3543High
A vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware allows an unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. The attacker can gain unauthorized access to critical data and has the ability to update, insert, or delete data.
- CVE-2017-3542High
Vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware allows unauthenticated attackers with network access via HTTP to compromise Oracle WebCenter Sites. Attackers can gain access to critical data and perform unauthorized operations on the data.
- CVE-2017-3541High
A vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware allows an unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks can lead to unauthorized access to critical data and complete access to all accessible data.
- CVE-2017-3540High
A vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware allows an unauthenticated attacker with network access via HTTP to compromise the system. The attacker can cause hangs or frequent crashes of Oracle WebCenter Sites and gain unauthorized access to data.
- CVE-2016-3487High
Unspecified vulnerability in the Oracle WebCenter Sites component in Oracle Fusion Middleware 11.1.1.8 and 12.2.1.0 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors.
- CVE-2026-83037Critical
Vulnerability in Oracle WebCenter Sites (WebCenter Sites component) of Oracle Fusion Middleware. Affects versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker with network access via HTTP can easily compromise Oracle WebCenter Sites.
- CVE-2026-83036Critical
Vulnerability in Oracle WebCenter Sites (WebCenter Sites component) of Oracle Fusion Middleware. Affects versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker with network access via HTTP can easily compromise Oracle WebCenter Sites.
- CVE-2026-83035Critical
Vulnerability in Oracle WebCenter Sites (WebCenter Sites component) of Oracle Fusion Middleware. Affects versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker with network access via HTTP can easily compromise Oracle WebCenter Sites.
- CVE-2026-61034Critical
Vulnerability in Oracle WebCenter Sites (component: WebCenter Sites). Affected versions are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows a high-privileged attacker with network access via HTTP to compromise Oracle WebCenter Sites. Attacks may significantly impact additional products (scope change). CVSS 3.1 Base Score 9.1.
Original NVD description (English source)
Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). 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 Sites. While the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).