Live › vulnerability › CVE-2026-83381
Go to dashboardA flaw in the Security component of Oracle Java SE lets an unauthenticated attacker over the network change or read a subset of data that Java applications can access. Exploitation is difficult and the CVSS score is 4.8 with confidentiality and integrity impact only.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Systems running the listed Oracle Java SE or GraalVM builds that expose APIs in the Security component to network input, such as a web service that passes data into those APIs. Java applets and sandboxed Java Web Start applications that run untrusted code and rely on the Java sandbox are also named as affected. Teams that do not run these versions, or that run no network-facing Java service, can skip it.
No product ranges from the sources yet.
java -version and compare against the affected releases: 8u503, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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).
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