Executive brief
Oracle Coherence, a distributed data grid solution used for high-speed data processing and application scaling, contains a critical security vulnerability. An unauthenticated attacker can exploit this flaw 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 vulnerability classified as Improper Access Control (CWE-284) exists in the Core component of Oracle Coherence. 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 (CVSS 9.8). 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 are advised to refer to the Oracle Critical Patch Update for June 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
- 2026-06-17: disclosed: Initial disclosure by Oracle and NVD publication.