Vulnerability in Oracle Java SE and GraalVM Products
CVE-2026-114820

9.1CRITICAL

Key Information:

Vendor

Oracle
Status
Oracle Java Se
Oracle Graalvm For Jdk
Oracle Graalvm Enterprise Edition
Vendor
CVE Published:
24 October 2026

What is CVE-2026-114820?

This vulnerability affects Oracle Java SE and GraalVM products, allowing unauthenticated attackers with network access via various protocols to exploit the JSSE component. Successful attacks can lead to unauthorized creation, deletion, and modification of critical data, as well as complete access to all data accessed by these products. The vulnerability can be exploited through APIs, including those used in web services, and may also impact Java deployments in sandboxed environments, which rely on Java's security measures to run untrusted code. It underscores the urgent need for organizations using affected versions to adopt security best practices and apply available patches.

Affected Version(s)

Oracle GraalVM Enterprise Edition 21.3.20.0.2

Oracle GraalVM for JDK 17.0.21.0.2

Oracle GraalVM for JDK 21.0.13.0.2

References

https://www.oracle.com/security-alerts/alert-cve-2026-114...
vendor-advisory

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.