CVE-2026-47030: Oracle Java SE integrity vulnerability in JavaFX

CVE-2026-47030 · Severity: low · CVSS 3.1 · Published 2026-07-21

A vulnerability exists in the JavaFX component of Oracle Java SE, which is used for creating desktop and rich internet applications. This flaw primarily affects client-side environments, such as those running sandboxed Java Web Start applications or applets that execute code from the internet. If exploited, an attacker could potentially modify or delete certain data, though the attack is difficult to perform and requires a user to interact with a malicious link or application.

Technologies: Oracle Java SE, Oracle JavaFX. Vendors: Oracle.

Quick answers

Is CVE-2026-47030 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-47030 being exploited in the wild.
How severe is CVE-2026-47030?
Low severity, with a CVSS score of 3.1, published 21 July 2026.
Which products and versions are affected?
Oracle Java SE 8u491; Oracle JavaFX 8u491.
Is there a fix for CVE-2026-47030?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-47030 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-47030?
Check whether you run Oracle Java SE or Oracle JavaFX at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This vulnerability affects the JavaFX component of Oracle Java SE version 8u491. It is classified as a low-severity integrity issue that is difficult to exploit (High Attack Complexity). The attack vector is network-based and requires human interaction, typically involving a user running untrusted code within a sandboxed environment like Java Web Start or a Java applet. A successful exploit allows an unauthenticated attacker to perform unauthorized updates, insertions, or deletions of data accessible to the Java runtime. Server-side deployments that only run trusted code are generally not affected.

Affected products

  • Oracle Java SE (JavaFX) 8u491

Timeline

  • 2026-07-21: advisory: Published by Oracle and NVD

References

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