---
id: CVE-2026-71100
title: Vulnerability in the RDBMS component of Oracle Database Server
summary: >-
  Vulnerability in the RDBMS 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.
  Easily exploitable vulnerability allows unauthenticated attacker with network
  access vi…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-08-19T15:07:08.931194Z'
published: '2026-08-18'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T18:43:03.066Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-71100'
references:
  - url: 'https://www.oracle.com/security-alerts/cspuaug2026.html'
    label: Oracle Advisory
tags:
  - cve.org
epss: 0.00319
epssPercentile: 0.22268
ingestedAt: '2026-09-17T19:26:25.348Z'
---

## Overview

Vulnerability in the RDBMS 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. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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.