CVE-2026-71102

Vulnerability in the Portable Clusterware 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 HTTP to compromise Portable Clusterware. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Portable Clusterware accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Portable Clusterware. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cspuaug2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:oracle:database_server::::::::
	cpe:2.3:a:oracle:database_server::::::::
	cpe:2.3:a:oracle:database_server::::::::

History

22 Oct 2026, 17:09

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad en el componente Portable Clusterware de Oracle Database Server. Versiones compatibles que se ven afectadas son 19.3-19.32, 21.3-21.23 y 23.4.0-23.26.3. Vulnerabilidad fácilmente explotable permite a un atacante no autenticado con acceso a la red vía HTTP comprometer Portable Clusterware. Ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado de creación, eliminación o modificación a datos críticos o a todos los datos accesibles de Portable Clusterware y capacidad no autorizada de causar un bloqueo o un fallo repetible con frecuencia (DoS completo) de Portable Clusterware. Puntuación base CVSS 3.1 de 9.1 (Impactos en la Integridad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

Information

Published : 2026-08-18 21:18

Updated : 2026-10-22 17:09

NVD link : CVE-2026-71102

Mitre link : CVE-2026-71102

CVE.ORG link : CVE-2026-71102

JSON object : View

Products Affected

oracle

database_server

CWE

CWE-284

Improper Access Control

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