CVE-2026-21925

Summary

CVECVE-2026-21925
StatePUBLISHED
Assigneroracle
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-20 22:15:54 UTC
Updated2026-05-12 13:17:31 UTC
DescriptionVulnerability 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).

Risk And Classification

Primary CVSS: v3.1 4.8 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.000350000 probability, percentile 0.102880000 (date 2026-05-12)

Problem Types: NVD-CWE-noinfo | 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. | CWE-noinfo Not enough information


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Oracle Graalvm 21.3.16 All All All
Application Oracle Graalvm For Jdk 17.0.17 All All All
Application Oracle Graalvm For Jdk 21.0.9 All All All
Application Oracle Jdk 1.8.0 update471 All All
Application Oracle Jdk 1.8.0 update471 All All
Application Oracle Jdk 1.8.0 update471_b50 All All
Application Oracle Jdk 11.0.29 All All All
Application Oracle Jdk 17.0.17 All All All
Application Oracle Jdk 21.0.9 All All All
Application Oracle Jdk 25.0.1 All All All
Application Oracle Jre 1.8.0 update471 All All
Application Oracle Jre 1.8.0 update471 All All
Application Oracle Jre 1.8.0 update471_b50 All All
Application Oracle Jre 11.0.29 All All All
Application Oracle Jre 17.0.17 All All All
Application Oracle Jre 21.0.9 All All All
Application Oracle Jre 25.0.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Oracle Corporation Oracle Java SE affected 8u471 Not specified
CNA Oracle Corporation Oracle Java SE affected 8u471-b50 Not specified
CNA Oracle Corporation Oracle Java SE affected 8u471-perf Not specified
CNA Oracle Corporation Oracle Java SE affected 11.0.29 Not specified
CNA Oracle Corporation Oracle Java SE affected 17.0.17 Not specified
CNA Oracle Corporation Oracle Java SE affected 21.0.9 Not specified
CNA Oracle Corporation Oracle Java SE affected 25.0.1 Not specified
CNA Oracle Corporation Oracle GraalVM For JDK affected 17.0.17 Not specified
CNA Oracle Corporation Oracle GraalVM For JDK affected 21.0.9 Not specified
CNA Oracle Corporation Oracle GraalVM Enterprise Edition affected 21.3.16 Not specified
ADP Siemens SIMATIC CN 4100 affected V5.0 custom Not specified

References

ReferenceSourceLinkTags
www.oracle.com/security-alerts/cpujan2026.html [email protected] www.oracle.com Vendor Advisory
cert-portal.siemens.com/productcert/html/ssa-032379.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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