Live › vulnerability › CVE-2026-91402
Go to dashboardA flaw in the JavaFX component of Oracle Java SE, JavaFX and GraalVM Enterprise lets an unauthenticated remote attacker read a subset of data when a person runs untrusted code. The attack needs a hard-to-exploit condition and a user action, and the advisory rates the impact as confidentiality only (CVSS 3.1 3.1, low).
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.
The flaw applies to client-side Java deployments, typically sandboxed Java Web Start applications or applets, that load and run untrusted code from the internet and rely on the Java sandbox. The advisory states it does not apply to server deployments that run only code installed by an administrator, so server-only teams can skip it.
No product ranges from the sources yet.
java -version to see which Java SE release is installed; the affected release listed is 8u503.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in the Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JavaFX). Supported versions that are affected are Oracle Java SE: 8u503; Oracle JavaFX: 21.0.12, 25.0.4 and 27; 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, Oracle JavaFX, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability 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. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).
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