CVE-2026-21939

Vulnerability in the SQLcl component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.0. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where SQLcl executes to compromise SQLcl. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of SQLcl. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).

CVSS v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cpujan2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*

History

17 Jun 2026, 10:19

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad en el componente SQLcl de Oracle Database Server. Las versiones compatibles que están afectadas son 23.4.0-23.26.0. Vulnerabilidad difícil de explotar permite a un atacante no autenticado con inicio de sesión en la infraestructura donde se ejecuta SQLcl comprometer SQLcl. Los ataques exitosos requieren interacción humana de una persona que no sea el atacante. Los ataques exitosos de esta vulnerabilidad pueden resultar en la toma de control de SQLcl. Puntuación base CVSS 3.1 de 7.0 (Impactos en la Confidencialidad, Integridad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).

29 Jan 2026, 20:34

Type	Values Removed	Values Added
CWE		NVD-CWE-noinfo
First Time		Oracle database Server Oracle
References	~~() https://www.oracle.com/security-alerts/cpujan2026.html -~~	() https://www.oracle.com/security-alerts/cpujan2026.html - Vendor Advisory
CPE		cpe:2.3:a:oracle:database_server::::::::

20 Jan 2026, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-20 22:15

Updated : 2026-06-17 10:19

NVD link : CVE-2026-21939

Mitre link : CVE-2026-21939

CVE.ORG link : CVE-2026-21939

JSON object : View

Products Affected

oracle

database_server

CWE

NVD-CWE-noinfo

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