CVE-2026-91407 Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: REST WebServices).

High 8.8 Published 20 Oct 2026 Updated 23 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-91407?

CVE-2026-91407 is a high-severity vulnerability in Oracle Identity Manager, published on 20 Oct 2026.

Official description

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: REST WebServices). 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).

Weakness: CWE-306

Which versions are affected by CVE-2026-91407?

How do I fix CVE-2026-91407?

No fix has been published for CVE-2026-91407 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-91407 being exploited?

There is no known exploitation of CVE-2026-91407 in the wild and no public exploit code.

Sources

Also known as GHSA-wf4r-5hrr-9j64.