Executive brief
Oracle Coherence, a widely used data grid solution for high-speed data processing and storage, contains a critical security flaw. An unauthenticated attacker can remotely exploit this vulnerability over the network to gain full control of the system. This could lead to the complete theft of sensitive data, disruption of business operations, and unauthorized modification of stored information.
Technical details
A critical vulnerability exists in the Core component of Oracle Coherence (Oracle Fusion Middleware). The flaw is easily exploitable by an unauthenticated attacker with network access via TCP. While the specific CWE is not detailed in the advisory, the impact allows for a complete takeover of the Oracle Coherence instance, affecting 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: disclosed
- 2026-07-21: advisory