Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u511-b32, 8u511-perf-b32, 11.0.33.0.2, 17.0.21.0.2, 21.0.13.0.2, 25.0.5.0.2, 27.0.1.0.2; Oracle GraalVM for JDK: 17.0.21.0.2 and 21.0.13.0.2; Oracle GraalVM Enterprise Edition: 21.3.20.0.2. 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 as well as unauthorized access to critical data or complete access to 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 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
Published: 2026-10-24
Score: 9.1 Critical
EPSS: n/a
KEV: No
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History

Sun, 25 Oct 2026 06:00:00 +0000

Type Values Removed Values Added
Title Oracle Java SE and GraalVM Vulnerability Allowing Unauthorized Data Modification via JSSE
Weaknesses CWE-20
CWE-284

Sun, 25 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
Title Oracle Java SE and GraalVM Vulnerability Allowing Unauthorized Data Modification via JSSE
First Time appeared Oracle graalvm Enterprise Edition
Oracle oracle Java Se
Weaknesses CWE-20
CWE-284
CWE-327
Vendors & Products Oracle graalvm Enterprise Edition
Oracle oracle Java Se
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sat, 24 Oct 2026 18:45:00 +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: JSSE). Supported versions that are affected are Oracle Java SE: 8u511-b32, 8u511-perf-b32, 11.0.33.0.2, 17.0.21.0.2, 21.0.13.0.2, 25.0.5.0.2, 27.0.1.0.2; Oracle GraalVM for JDK: 17.0.21.0.2 and 21.0.13.0.2; Oracle GraalVM Enterprise Edition: 21.3.20.0.2. 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 as well as unauthorized access to critical data or complete access to 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 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
First Time appeared Oracle
Oracle graalvm
Oracle graalvm For Jdk
Oracle java Se
CPEs cpe:2.3:a:oracle:graalvm:21.3.20.0.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:17.0.21.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:21.0.13.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:11.0.33.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:17.0.21.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:21.0.13.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:25.0.5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:27.0.1.0.2:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle graalvm
Oracle graalvm For Jdk
Oracle java Se
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Subscriptions

Oracle Graalvm Graalvm Enterprise Edition Graalvm For Jdk Java Se Oracle Java Se
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-25T03:55:32.751Z

Reserved: 2026-10-22T04:13:03.108Z

Link: CVE-2026-114820

cve-icon Vulnrichment

Updated: 2026-10-24T20:01:04.579Z

cve-icon NVD

Status : Received

Published: 2026-10-24T19:17:04.413

Modified: 2026-10-25T04:17:07.843

Link: CVE-2026-114820

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-25T05:30:08Z

Weaknesses
  • CWE-327

    Use of a Broken or Risky Cryptographic Algorithm