CVE-2026-47063
Oracle Java SE, GraalVM for JDK, and GraalVM Enterprise Edition Improper Access Control Vulnerability
Record summary
CVE-2026-47063 has a selected CVSS score of 7.5 (high).
Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).
Exploitation context
CISA SSVC decision
CISA Coordinator · SSVC 2.0.3 · Evaluated Jul 23, 2026 · Source: CVE List
Affected products and versions
3| Product | Source | Version range | Status |
|---|---|---|---|
Oracle GraalVM Enterprise EditionBrowse Oracle Corporation / Oracle GraalVM Enterprise Edition | CVE List | 21.3.18 | affected |
Oracle GraalVM for JDKBrowse Oracle Corporation / Oracle GraalVM for JDK | CVE List | 17.0.19 | affected |
| 21.0.11 | affected | ||
Oracle Java SEBrowse Oracle Corporation / Oracle Java SE | CVE List | 8u491 | affected |
| 8u491-perf | affected | ||
| 11.0.31 | affected | ||
| 17.0.19 | affected | ||
| 21.0.11 | affected | ||
| 25.0.3 | affected | ||
| 26.0.1 | affected |