Executive brief
Oracle Coherence, a distributed data grid solution used for high-speed data processing and storage, contains a security vulnerability in its core component. An unauthenticated attacker can exploit this over the network to gain unauthorized access to sensitive data stored within the system. While the attacker cannot modify data or shut down the service, this could lead to the exposure of confidential business information.
Technical details
A vulnerability in the Core component of Oracle Coherence (part of Oracle Fusion Middleware) allows for unauthorized data disclosure. The flaw is categorized as easily exploitable, requiring no authentication or user interaction. An attacker with network access via HTTP can exploit this vulnerability to obtain read access to a subset of data managed by the Coherence cluster. 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 publication of the vulnerability by Oracle and NVD.