CVE-2026-21933

Advisory lineage Upstream: 0 Downstream: 47
Analyzed
Published: 20 Jan 2026, 21:56
Last modified:21 Jan 2026, 20:56

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
6.1 MEDIUM
v3.1 (cve.org)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

20 Jan 2026, 21:56
Published
Vulnerability first disclosed
21 Jan 2026, 20:56
Last Modified
Vulnerability information updated

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). 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. Easily exploitable 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products (scope change). 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 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Trends

Current EPSS score: 0.03%• Percentile: 9%

Affected Systems

  • oracle corporation•oracle graalvm enterprise edition

    21.3.16

  • oracle corporation•oracle graalvm for jdk

    17.0.17 | 21.0.9

  • oracle corporation•oracle java se

    8u471 | 8u471-b50 | 8u471-perf | 11.0.29 | 17.0.17 | 21.0.9 | 25.0.1

  • oracle•graalvm

    21.3.16

  • oracle•graalvm_for_jdk

    17.0.17 | 21.0.9

  • oracle•jdk

    1.8.0:update471 | 1.8.0:update471_b50 | 11.0.29 | 17.0.17 | 21.0.9 | 25.0.1

  • oracle•jre

    1.8.0:update471 | 1.8.0:update471_b50 | 11.0.29 | 17.0.17 | 21.0.9 | 25.0.1

References (1)