CVE-2026-60243 Denial of service in Oracle Coherence

Medium 6.5 Published 21 Jul 2026 Updated 23 Jul 2026

A low-privileged attacker can cause a complete denial of service in Oracle Coherence via network access.

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-2026-60243?

CVE-2026-60243 is a medium-severity denial of service vulnerability in Oracle Coherence, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via TCP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Coherence. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-400

Which versions are affected by CVE-2026-60243?

It affects 1 product.

Products include Oracle Coherence.

How do I fix CVE-2026-60243?

No fix has been published for CVE-2026-60243 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-2026-60243 being exploited?

There is no known exploitation of CVE-2026-60243 in the wild and no public exploit code.

All Oracle Coherence vulnerabilities

Sources

Also known as GHSA-h23m-cr2g-v3rm.