CVE-2026-91402 Vulnerability in the Oracle Java SE, Oracle JavaFX, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JavaFX).
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-91402?
CVE-2026-91402 is a low-severity vulnerability in Oracle GraalVM Enterprise Edition, published on 20 Oct 2026.
Official description
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).
Weakness: CWE-693
Which versions are affected by CVE-2026-91402?
How do I fix CVE-2026-91402?
No fix has been published for CVE-2026-91402 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-91402 being exploited?
There is no known exploitation of CVE-2026-91402 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-91402, GHSA-fwxr-p9rc-4fqg, UBUNTU-CVE-2026-91402.