Executive brief
A critical vulnerability has been identified in Oracle Coherence, a data grid solution used for high-speed data processing and storage in enterprise environments. An unauthenticated attacker can exploit this flaw over a network to gain full control of the affected system. This could lead to the theft of sensitive data, disruption of business operations, and total compromise of the application infrastructure.
Technical details
A vulnerability exists in the Core component of Oracle Coherence (Fusion Middleware). The flaw is classified as easily exploitable and allows an unauthenticated remote attacker to gain unauthorized access via the TCP protocol. The root cause is not explicitly detailed in the advisory but results in a complete loss of confidentiality, integrity, and availability (CVSS 9.8). Affected versions include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Users are advised to refer to the Oracle Critical Patch Update (CPU) for July 2026 for remediation steps.
Affected products
- Oracle Coherence 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0
Timeline
- 2026-07-21: advisory: Initial publication by Oracle and NVD