CVE-2025-50059 is a high-severity vulnerability affecting Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition in their networking components. It allows an unauthenticated attacker with network access via multiple protocols to compromise these products, potentially gaining unauthorized access to critical or all accessible data. The vulnerability primarily impacts Java deployments running untrusted code in sandboxed environments, such as Java Web Start applications or applets, but does not affect server deployments running only trusted code. The CVSS 3.1 base score is 8.6, indicating a significant confidentiality impact without integrity or availability effects. Oracle has released patches for this vulnerability as part of its July 2025 Critical Patch Update, and customers are strongly advised to apply these updates promptly.