CVE-2026-71100
Received Received - Intake

Unauthenticated Data Read in Oracle Database RDBMS

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Oracle

Description
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).

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-19
AI Q&A
2026-08-19
EPSS Evaluated
N/A
NVD
CVE-2026-71100

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
oracle database_server From 19.3 (inc) to 19.32 (inc)
oracle database_server From 21.3 (inc) to 21.23 (inc)
oracle database_server From 23.4.0 (inc) to 23.26.3 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a vulnerability in the RDBMS component of Oracle Database Server affecting versions 19.3-19.32, 21.3-21.23, and 23.4.0-23.26.3. It allows an unauthenticated attacker with network access to read a subset of data without needing credentials.

Impact Analysis

An attacker could gain unauthorized read access to sensitive data stored in the Oracle Database Server, potentially exposing confidential information such as customer records or internal data.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating compliance requirements for data protection such as GDPR or HIPAA, which mandate strict controls over personal and health information access.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for your database version immediately to address the RDBMS vulnerability. Ensure network access controls restrict Oracle Net connections to trusted sources only.

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