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CVE-2026-83381: Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE accessible data as well as unauthorized read access to a subset of Oracle Java SE accessible data. in Oracle Corporation Oracle Java SE

0
Medium
VulnerabilityCVE-2026-83381cvecve-2026-83381
Published: 10/20/2026 (10/20/2026, 21:23:39 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle Java SE

Description

Vulnerability in Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE accessible data as well as unauthorized read access to a subset of Oracle Java SE 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 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

CVSS v3.1

Score 4.8medium

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected software

Oracle Corporation

Oracle Java SE

Affected versions
=8u503=8u503-perf=11.0.32.1=17.0.20.1=21.0.12.1=25.0.4.1=27

Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.356Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","vendor":"Oracle"}]

Threat ID: 6ad7defc2cdf04f656637afd

Added to database: 10/20/2026, 21:37:00 UTC

Last updated: 10/20/2026, 21:50:00 UTC

Views: 2

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