CVE-2026-83403
HighCVSS 8.8Summary
Vulnerability in Oracle Identity Manager (OIM Legacy UI component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An easily exploitable flaw allows a low-privileged attacker with HTTP network access to take over Oracle Identity Manager.
Risk Assessment
A low-privileged attacker could take over the identity management system, potentially leading to privilege escalation and compromise of the entire environment. The CVSS score of 8.8 indicates a serious threat.
Recommendation
Immediately apply the Oracle security update for versions 12.2.1.4.0 and 14.1.2.1.0. It is also recommended to restrict access to the OIM Legacy UI to essential users only.
Other vulnerabilities in Oracle Identity Manager
See all- CVE-2026-91407High
Vulnerability in Oracle Identity Manager (component: REST WebServices) affecting versions 12.2.1.4.0 and 14.1.2.1.0. A low-privileged attacker with network access via HTTP can take over Oracle Identity Manager.
- CVE-2026-91259High
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI) affecting versions 12.2.1.4.0 and 14.1.2.1.0. A low privileged attacker with network access via HTTP can exploit it to take over Oracle Identity Manager.
- CVE-2026-83402High
Vulnerability in Oracle Identity Manager (OIM Legacy UI component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An easily exploitable flaw allows a low-privileged attacker with HTTPS network access to take over Oracle Identity Manager.
- CVE-2026-91408Critical
Vulnerability in Oracle Identity Manager (End User Self Service component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker with network access via T3 or IIOP can take over Oracle Identity Manager. CVSS 9.8.
- CVE-2026-83042Critical
Vulnerability in Oracle Identity Manager (OIM Legacy UI component) of Oracle Fusion Middleware. Affects versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker with network access via HTTP can easily compromise Oracle Identity Manager.
- CVE-2026-70913Critical
Vulnerability in Oracle Identity Manager (Core component) affecting versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker with network access via HTTP can compromise Oracle Identity Manager.
- CVE-2026-61066Critical
Vulnerability in Oracle Identity Manager (component: OIM Legacy UI). Affected versions are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows a low-privileged attacker with network access via RMI to compromise Oracle Identity Manager. Attacks may significantly impact additional products (scope change). CVSS 3.1 Base Score 9.9.
- CVE-2026-60727Critical
Vulnerability in Oracle Identity Manager (component: OIM Legacy UI) allows an unauthenticated attacker via HTTP to completely take over the system. CVSS score 9.8.
- CVE-2026-60721Critical
Vulnerability in Oracle Identity Manager (component: OIM Legacy UI) allows an unauthenticated attacker via HTTP to completely take over the system. CVSS score 9.8.
- CVE-2026-60720Critical
Vulnerability in Oracle Identity Manager (component: OIM Legacy UI) allows a low-privileged attacker via HTTP to completely take over the system. The attack may impact other products (scope change). CVSS score 9.9.
Original NVD description (English source)
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Identity Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS