CVE-2026-47057 Denial of service in Oracle Java SE
Unauthenticated attackers can cause a complete denial of service in Oracle Java SE via the Scripting component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47057?
CVE-2026-47057 is a high-severity denial of service vulnerability in Oracle Jdk, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in Oracle Java SE (component: Scripting). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf and 11.0.31. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also 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. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-400
Which versions are affected by CVE-2026-47057?
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, 11.0.32 |
java-min Bitnami | All versions | 1.8.0, 8.0.501, 11.0.32 |
jre Bitnami | All versions | 1.8.0, 8.0.501, 11.0.32 |
Products include Oracle Jdk, Oracle Jre.
How do I fix CVE-2026-47057?
Upgrade java to a fixed version for your release line: 1.8.0, 8.0.501 or 11.0.32.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-47057 being exploited?
There is no known exploitation of CVE-2026-47057 in the wild and no public exploit code.
Other vulnerabilities in Oracle Jdk
Sources
Also known as BELL-CVE-2026-47057, BIT-java-2026-47057, BIT-java-min-2026-47057, BIT-jre-2026-47057, DEBIAN-CVE-2026-47057, GHSA-qfmm-wrmh-r6pr and 8 more.