CVE-2026-87251
CriticalCVSS 9.8Summary
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker with network access via SAML can take over Oracle Access Manager.
Risk Assessment
High risk — easy unauthenticated exploitation can lead to full takeover of Oracle Access Manager and compromise of confidentiality, integrity, and availability.
Recommendation
Immediately install Oracle updates for Oracle Access Manager. Restrict SAML access to trusted identity providers and monitor traffic.
Other vulnerabilities in Oracle Access Manager
See all- CVE-2015-2593High
Unspecified vulnerability in the Oracle Access Manager component in Oracle Fusion Middleware 11.1.2.2 allows remote authenticated users to affect confidentiality and integrity via unknown vectors related to Configuration Service.
- CVE-2015-0461High
Unspecified vulnerability in the Oracle Access Manager component in Oracle Fusion Middleware 11.1.1.5 and 11.1.1.7 allows remote authenticated users to affect confidentiality and integrity via unknown vectors related to Authentication Engine.
- CVE-2026-87337Critical
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker with network access via HTTP can create, delete, or modify critical data and gain full access to it, with potential impact on additional products.
- CVE-2026-83001Critical
Vulnerability in Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Affects versions 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable, allows high privileged attacker via HTTP to take over the product, with impact on other products (scope change). CVSS 9.1.
- CVE-2026-73962Critical
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. A low-privileged attacker with network access via HTTPS can easily exploit it, potentially impacting additional products (scope change). It results in unauthorized access, creation, deletion, or modification of critical data. CVSS 3.1 Base Score: 9.6.
- CVE-2026-73950Critical
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker with network access via HTTP can easily exploit it to take over Oracle Access Manager. CVSS 3.1 Base Score: 9.8.
- CVE-2026-73947Critical
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.0.0. An unauthenticated attacker with network access via HTTP can easily exploit it to take over Oracle Access Manager. CVSS 3.1 Base Score: 9.8.
- CVE-2026-73946Critical
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. A high-privileged authenticated attacker with network access via HTTP can compromise Oracle Access Manager, and the attack may significantly impact additional products (scope change).
- CVE-2026-73945Critical
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. A low-privileged attacker with network access via HTTP can compromise Oracle Access Manager, and the attack may significantly impact additional products (scope change).
- CVE-2026-73944Critical
Vulnerability in Oracle Access Manager (Authentication Engine component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker with network access via HTTP can create, delete or modify critical data and gain complete access to Oracle Access Manager data.
Original NVD description (English source)
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via SAML to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS