Executive brief
Oracle Coherence, a distributed data grid solution used for high-speed data processing and application scaling, contains a critical security flaw. An unauthenticated attacker can exploit this vulnerability 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 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. While the specific vulnerability class (e.g., deserialization or injection) is not explicitly detailed in the advisory, the impact is a complete compromise of confidentiality, integrity, and availability (takeover of the product). 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 should refer to the Oracle Critical Patch Update for July 2026 for remediation guidance.
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