CVE-2026-91491 Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: LDAP Gateway).

Critical 9.8 Published 20 Oct 2026 Updated 21 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-91491?

CVE-2026-91491 is a critical vulnerability in Oracle Identity Manager Connector, published on 20 Oct 2026.

Official description

Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: LDAP Gateway). 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 LDAP to compromise Oracle Identity Manager Connector. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager Connector. 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).

Weakness: CWE-306, CWE-287

Which versions are affected by CVE-2026-91491?

It affects 1 product.

Products include Oracle Identity Manager Connector.

How do I fix CVE-2026-91491?

No fix has been published for CVE-2026-91491 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-91491 being exploited?

There is no known exploitation of CVE-2026-91491 in the wild and no public exploit code.

Sources

Also known as GHSA-c2vp-mgg4-vg5v.