Executive brief
Oracle Coherence, a distributed data grid solution used for high-speed data processing and application scaling, contains a critical security flaw. An unauthenticated attacker can remotely exploit this vulnerability over the network to gain full control of the Coherence environment. This could lead to the theft of sensitive cached data, disruption of critical business operations, and total system takeover.
Technical details
A critical vulnerability exists in the Core component of Oracle Coherence (versions 12.2.1.4.0, 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 TCP. Successful exploitation allows for a complete takeover of the Oracle Coherence instance, impacting confidentiality, integrity, and availability. 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 publication of the CVE record.
- 2026-07-21: advisory: Oracle released the July 2026 Critical Patch Update.