Unauthenticated Access Vulnerability in Oracle Java SE and GraalVM
CVE-2026-47063

7.5HIGH

Key Information:

Vendor

Oracle
Status
Oracle Java Se
Oracle Graalvm For Jdk
Oracle Graalvm Enterprise Edition
Vendor
CVE Published:
21 July 2026

What is CVE-2026-47063?

A vulnerability exists in Oracle Java SE and GraalVM products that allows an unauthenticated attacker with network access to exploit multiple protocols. Successful exploitation can enable attackers to create, delete, or modify access to critical data across systems. This vulnerability can be exploited through APIs and affects Java deployments, particularly those running sandboxed applications that permit untrusted code execution. It emphasizes the need for immediate attention to mitigate potential data integrity impacts.

Affected Version(s)

Oracle GraalVM Enterprise Edition 21.3.18

Oracle GraalVM for JDK 17.0.19

Oracle GraalVM for JDK 21.0.11

References

https://www.oracle.com/security-alerts/cpujul2026.html
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.