Executive brief
Oracle Coherence, a distributed data grid solution used for high-speed data processing and application scaling, 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 total compromise of the affected environment.
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 HTTP. 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: disclosed: Initial advisory publication