CVE-2026-91615

Java VM Vulnerability Enabling Unauthorized Data Modification in Oracle Database Server

Published Oct 20, 2026 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having None privilege with network access via SOCKS5 to compromise Java VM. While the vulnerability is in Java VM, attacks may significantly impact additional products (scope change). 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 6.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Oracle database Server
Oracle Corporation
Oracle Corporation oracle Database Server
Vendors & Products Oracle database Server
Oracle Corporation
Oracle Corporation oracle Database Server
Type Values Removed Values Added
Title Java VM Vulnerability Enabling Unauthorized Data Modification in Oracle Database Server
Weaknesses CWE-284
Type Values Removed Values Added
Description Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having None privilege with network access via SOCKS5 to compromise Java VM. While the vulnerability is in Java VM, attacks may significantly impact additional products (scope change). 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 6.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N).
First Time appeared Oracle
Oracle database - Java Vm
CPEs cpe:2.3:a:oracle:database_-_java_vm:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle database - Java Vm
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 26, 2026, 8:50 PM
Reserved
Sep 14, 2026, 10:10 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 10:21 PM
Modified
Oct 26, 2026, 9:20 PM