CVE-2026-21925
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-20

Last updated on: 2026-01-30

Assigner: Oracle

Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: RMI). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).
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Meta Information
Published
2026-01-20
Last Modified
2026-01-30
Generated
2026-05-07
AI Q&A
2026-01-21
EPSS Evaluated
2026-05-05
NVD
CVE-2026-21925
EUVD
EUVD-2026-3584
Affected Vendors & Products
Showing 17 associated CPEs
Vendor Product Version / Range
oracle graalvm 21.3.16
oracle graalvm_for_jdk 17.0.17
oracle graalvm_for_jdk 21.0.9
oracle jdk 1.8.0
oracle jdk 1.8.0
oracle jdk 1.8.0
oracle jdk 11.0.29
oracle jdk 17.0.17
oracle jdk 21.0.9
oracle jdk 25.0.1
oracle jre 1.8.0
oracle jre 1.8.0
oracle jre 1.8.0
oracle jre 11.0.29
oracle jre 17.0.17
oracle jre 21.0.9
oracle jre 25.0.1
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-NVD-CWE-noinfo
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability exists in Oracle Java SE, Oracle GraalVM for JDK, and Oracle GraalVM Enterprise Edition, specifically in the RMI component. It allows an unauthenticated attacker with network access to exploit APIs, such as those used by web services, to gain unauthorized read and write access to some accessible data. It can also affect Java deployments running sandboxed Java Web Start applications or applets that load untrusted code relying on the Java sandbox for security. The vulnerability is difficult to exploit and impacts confidentiality and integrity.


How can this vulnerability impact me? :

If successfully exploited, this vulnerability can allow an attacker to perform unauthorized updates, inserts, or deletions on some accessible data within Oracle Java SE and related products, as well as unauthorized reading of some data. This could lead to data compromise or manipulation without proper authorization.


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