CVE-2026-60436 Denial of service in Oracle Unified Directory

High 7.5 Published 21 Jul 2026 Updated 24 Jul 2026

Unauthenticated attackers can cause a complete denial of service in Oracle Unified Directory via network access.

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

What is CVE-2026-60436?

CVE-2026-60436 is a high-severity denial of service vulnerability in Oracle Unified Directory, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). 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 Unified Directory. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Unified Directory. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-400

Which versions are affected by CVE-2026-60436?

It affects 1 product.

Products include Oracle Unified Directory.

How do I fix CVE-2026-60436?

No fix has been published for CVE-2026-60436 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-60436 being exploited?

There is no known exploitation of CVE-2026-60436 in the wild and no public exploit code.

Sources

Also known as GHSA-3w8f-65wc-4gh4.