Vulnerability in Oracle Java SE and GraalVM Products
CVE-2026-21925

4.8MEDIUM

Key Information:

Vendor

Oracle
Status
Oracle Java Se
Oracle Graalvm For Jdk
Oracle Graalvm Enterprise Edition
Vendor
CVE Published:
20 January 2026

What is CVE-2026-21925?

An unauthenticated attacker with network access can exploit a vulnerability in Oracle Java SE and GraalVM products, allowing unauthorized access to sensitive data. By leveraging APIs within the affected components, attackers can gain the ability to insert, update, or delete data, as well as read unauthorized content. This vulnerability impacts setups utilizing sandboxed Java applications, presenting significant risks for environments that execute untrusted code from the internet.

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Affected Version(s)

Oracle GraalVM Enterprise Edition 21.3.16

Oracle GraalVM for JDK 17.0.17

Oracle GraalVM for JDK 21.0.9

References

https://www.oracle.com/security-alerts/cpujan2026.html
vendor-advisory

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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