---
id: CVE-2026-91385
title: >-
  Vulnerability in the Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise
  Edition product of Oracle Java SE (component: JavaFX)
summary: >-
  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;…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'
cvssSource: cna
vendor: Oracle Corporation
product: Oracle Java SE
affected:
  - oracle_java_se 8u503
  - oracle_javafx 21.0.12
  - oracle_javafx 25.0.4
  - oracle_javafx 27
  - oracle_graalvm_enterprise_edition 21.3.19.1.1
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:25:40.697Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91385'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.780Z'
---

## Overview

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. Easily exploitable 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 update, insert or delete access to some of Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise Edition accessible data as well as  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 5.4 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N).

## Affected

- `oracle_java_se 8u503`
- `oracle_javafx 21.0.12`
- `oracle_javafx 25.0.4`
- `oracle_javafx 27`
- `oracle_graalvm_enterprise_edition 21.3.19.1.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.