Executive brief
Oracle Coherence, a distributed data grid solution used for high-speed data processing and application scaling, contains a critical security vulnerability in its core component. An unauthenticated attacker can exploit this flaw over a network to gain full control of the system. This could lead to the theft of sensitive data, unauthorized modification of information, or a complete shutdown of the service, significantly impacting business operations.
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 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 Coherence instance). The vulnerability has a CVSS 3.1 base score of 9.8. Users are advised to refer to the Oracle Critical Patch Update 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 disclosure by Oracle
- 2026-07-21: advisory: NVD record published