CVE-2026-91552
HighCVSS 7.5Summary
Vulnerability in Oracle WebCenter Sites (versions 12.2.1.4.0 and 14.1.2.0.0) allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical data or complete access to all accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impact).
Risk Assessment
An attacker can access sensitive information stored in the system without authentication, potentially leading to data leakage and confidentiality breach.
Recommendation
Update Oracle WebCenter Sites to the latest version containing the security fix and restrict network access to necessary addresses.
Other vulnerabilities in Oracle WebCenter Sites
See all- CVE-2026-91542High
Vulnerability in Oracle WebCenter Sites (versions 12.2.1.4.0 and 14.1.2.0.0) allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical data or complete access to all accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impact).
- 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-2026-101499Critical
Vulnerability in Oracle WebCenter Sites (Oracle Fusion Middleware) affecting versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker with network access via HTTP can easily compromise the system. CVSS 9.8.
- 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.
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 unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

