Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Utility). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. 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 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L).
Metrics
Affected Vendors & Products
References
History
Fri, 23 Oct 2026 00:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Oracle graalvm Enterprise Edition
Oracle oracle Java Se |
|
| Weaknesses | CWE-284 | |
| Vendors & Products |
Oracle graalvm Enterprise Edition
Oracle oracle Java Se |
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| Metrics |
ssvc
|
Thu, 22 Oct 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated API Access Allows Unauthorized Data Modification and Partial Denial of Service in Oracle Java and GraalVM | openjdk: Enhance Pack200 unpacking (Oracle CPU 2026-10) |
| Weaknesses | CWE-22 | |
| References |
| |
| Metrics |
threat_severity
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threat_severity
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Wed, 21 Oct 2026 09:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated API Access Allows Unauthorized Data Modification and Partial Denial of Service in Oracle Java and GraalVM | |
| Weaknesses | CWE-269 CWE-285 |
Tue, 20 Oct 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Utility). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. 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 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L). | |
| First Time appeared |
Oracle
Oracle graalvm Oracle graalvm For Jdk Oracle java Se |
|
| CPEs | cpe:2.3:a:oracle:graalvm:21.3.19.1.1:*:*:*:enterprise:*:*:* cpe:2.3:a:oracle:graalvm_for_jdk:17.0.20.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:graalvm_for_jdk:21.0.12.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:11.0.32.1:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:8u503:*:*:*:*:*:*:* cpe:2.3:a:oracle:java_se:8u503:*:*:*:enterprise_performance:*:*:* |
|
| Vendors & Products |
Oracle
Oracle graalvm Oracle graalvm For Jdk Oracle java Se |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-10-20T21:25:44.460Z
Updated: 2026-10-22T18:50:24.928Z
Reserved: 2026-09-14T22:10:16.632Z
Link: CVE-2026-91395
Updated: 2026-10-22T18:46:56.626Z
Status : Awaiting Analysis
Published: 2026-10-20T22:20:42.843
Modified: 2026-10-22T19:18:04.623
Link: CVE-2026-91395