CVE-2026-47034 Security feature bypass in Oracle Java SE
An unauthenticated attacker can bypass Java sandbox restrictions to modify data in client-side JavaFX applications, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-47034?
CVE-2026-47034 is a low-severity vulnerability in Oracle Jdk, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Vulnerability in Oracle Java SE (component: JavaFX). The supported version that is affected is Oracle Java SE: 8u491. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. 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 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 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-47034?
3 open source packages ship an affected version, including java, java-min and jre. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
java Bitnami | All versions | 1.8.0, 8.0.501 |
java-min Bitnami | All versions | 1.8.0, 8.0.501 |
jre Bitnami | All versions | 1.8.0, 8.0.501 |
Products include Oracle Jdk, Oracle Jre.
How do I fix CVE-2026-47034?
Upgrade java to a fixed version for your release line: 1.8.0 or 8.0.501.
Is CVE-2026-47034 being exploited?
There is no known exploitation of CVE-2026-47034 in the wild and no public exploit code.
Other vulnerabilities in Oracle Jdk
Sources
Also known as BIT-java-2026-47034, BIT-java-min-2026-47034, BIT-jre-2026-47034, GHSA-c6vv-q92q-68pg, MINI-7x74-q33c-q8f7.