CVE-2026-61066 Auth bypass in Oracle Identity Manager

Critical 9.9 Published 18 Aug 2026 Updated 25 Aug 2026

A low-privileged attacker can exploit an RMI vulnerability in Oracle Identity Manager to achieve full system takeover.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-61066?

CVE-2026-61066 is a critical authentication bypass vulnerability in Oracle Identity Manager, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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 RMI to compromise Oracle Identity Manager. While the vulnerability is in Oracle Identity Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-61066?

It affects 1 product.

Products include Oracle Identity Manager.

How do I fix CVE-2026-61066?

No fix has been published for CVE-2026-61066 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-61066 being exploited?

There is no known exploitation of CVE-2026-61066 in the wild and no public exploit code.

Sources

Also known as GHSA-m72w-rjqr-r9j4.