Executive brief
Oracle Coherence, a data grid solution used for high-speed data processing and application scaling, contains a critical security vulnerability. An unauthorized attacker can exploit this flaw over the network without needing a username or password. A successful attack could lead to a complete takeover of the affected system, potentially resulting in the theft of sensitive data or a total disruption of business operations.
Technical details
A critical vulnerability exists in the Core component of Oracle Coherence (versions 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0). The flaw is easily exploitable by an unauthenticated attacker with network access via HTTP. While the specific vulnerability class (e.g., deserialization or injection) is not explicitly named in the advisory, the impact is rated at the highest level for confidentiality, integrity, and availability. Successful exploitation allows for a complete takeover of the Coherence environment. Users are advised to refer to the Oracle Critical Patch Update (CPU) for July 2026 for remediation steps.
Affected products
- Oracle Coherence 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0
Timeline
- 2026-07-21: advisory: Initial advisory published by Oracle and NVD.