CVE-2026-83415 Privilege escalation in Oracle Coherence

High 7.5 Published 15 Sep 2026 Updated 17 Sep 2026

A low-privileged attacker can exploit this vulnerability to take over the Oracle Coherence server, resulting in full system compromise.

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-2026-83415?

CVE-2026-83415 is a high-severity vulnerability in Oracle Coherence, published on 15 Sep 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. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-269

Which versions are affected by CVE-2026-83415?

It affects 1 product.

Products include Oracle Coherence.

How do I fix CVE-2026-83415?

No fix has been published for CVE-2026-83415 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-83415 being exploited?

There is no known exploitation of CVE-2026-83415 in the wild and no public exploit code.

All Oracle Coherence vulnerabilities

Sources

Also known as GHSA-6qmp-x27f-4gj4.