Executive brief
Oracle Coherence, a widely used data grid solution for high-performance applications, contains a critical vulnerability in its core component. An unauthenticated attacker can exploit this over the network to gain full control of the system. This could lead to the theft of sensitive data, disruption of business operations, and complete compromise of the application infrastructure.
Technical details
A critical vulnerability exists in the Core component of Oracle Coherence (part of Oracle Fusion Middleware). The flaw is easily exploitable by an unauthenticated attacker with network access via TCP. Successful exploitation allows for a complete takeover of the Oracle Coherence instance, impacting confidentiality, integrity, and availability. The vulnerability affects versions 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 disclosure by Oracle and NVD publication.