---
id: CVE-2026-91615
title: Vulnerability in the Java VM component of Oracle Database Server
summary: >-
  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
  privile…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N'
cvssSource: cna
vendor: Oracle Corporation
product: Oracle Database Server
affected:
  - oracle_database_server >= 19.3 <= 19.32
  - oracle_database_server >= 21.3 <= 21.23
  - oracle_database_server >= 23.4.0 <= 23.26.3
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:26:40.079Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91615'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.717Z'
---

## Overview

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).

## Affected

- `oracle_database_server >= 19.3 <= 19.32`
- `oracle_database_server >= 21.3 <= 21.23`
- `oracle_database_server >= 23.4.0 <= 23.26.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.