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CVE-2026-91408

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: End User Self Service). 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 T3, IIOP to compromise Oracle Identity Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity 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).

Scores

9.8
CVSS 9.8 out of 10, critical severity.

The facts

Published
20 October 2026
Last changed
20 October 2026
NVD status
Received
Severity
Critical, CVSS 9.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
No EPSS score in this build.

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References