Oracle Identity Manager 12.2.1.4.0/14.1.2.1.0 OIM Legacy UI privileges management

Summaryinfo

A vulnerability, which was classified as critical, was found in Oracle Identity Manager 12.2.1.4.0/14.1.2.1.0. This affects an unknown function of the component OIM Legacy UI. Executing a manipulation can lead to privileges management. This vulnerability appears as CVE-2026-91259. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Oracle Identity Manager 12.2.1.4.0/14.1.2.1.0. This vulnerability affects some unknown functionality of the component OIM Legacy UI. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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).

The advisory is available at oracle.com. This vulnerability was named CVE-2026-91259 since 09/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/21/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Oracle

Name

• Identity Manager

Version

• 12.2.1.4.0
• 14.1.2.1.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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