CVE-2026-83412: High severity Oracle Oracle Coherence (Oracle Fusion Middleware) vulnerability
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 creation, deletion or modification access to critical data or all Oracle Coherence accessible data as well as unauthorized access to critical data or complete access to all Oracle Coherence accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
Affected supported versions are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0 of Oracle Coherence in Oracle Fusion Middleware.
What access does an attacker need?
An attacker needs network access to the target over TCP and low-privileged access. No user interaction is required, and the attack complexity is low.
What could a successful attack allow?
A successful attack can provide unauthorized read access to critical data or all data accessible through Oracle Coherence. It can also allow unauthorized creation, deletion, or modification of that data.