CVE-2026-47039

Analyzed Analyzed - Analysis Complete

Java VM Component Privilege Escalation in Oracle Database Server

Publication date: 2026-07-21

Last updated on: 2026-08-06

Assigner: Oracle

Description

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-21

Last Modified

2026-08-06

Generated

2026-08-11

AI Q&A

2026-07-22

EPSS Evaluated

2026-08-09

NVD

CVE-2026-47039

EUVD

EUVD-2026-46526

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	database_server	From 19.3 (inc) to 19.31 (inc)
oracle	database_server	From 21.3 (inc) to 21.22 (inc)
oracle	database_server	From 23.4 (inc) to 23.26.2 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in the Java VM component of Oracle Database Server affecting versions 19.3-19.31, 21.3-21.22, and 23.4.0-23.26.2. It allows a low-privileged attacker with Create Session privilege to exploit it via network access through Oracle Net.

Detection Guidance

This vulnerability requires network access via Oracle Net and the Create Session privilege. Detection involves checking Oracle Database Server versions and monitoring for unauthorized Java VM data access. Use Oracle-provided tools like SQL queries to verify versions and audit logs for suspicious activity.

Impact Analysis

An attacker could exploit this to gain unauthorized access to create, delete, or modify critical data or any data accessible by the Java VM. This could lead to data corruption, loss, or unauthorized changes.

Compliance Impact

This vulnerability could lead to unauthorized data modification or deletion, violating integrity requirements in GDPR and HIPAA. Compliance may be compromised if sensitive data is altered or exposed without authorization.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for your affected Oracle Database Server version to address the Java VM component vulnerability. Ensure only trusted users have Create Session privileges and restrict network access via Oracle Net to reduce exposure.

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