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

29 Jan 2026, 20:34

Type	Values Removed	Values Added
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::::::::
CWE		NVD-CWE-noinfo
First Time		Oracle database Server Oracle

20 Jan 2026, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-20 22:15

Updated : 2026-01-29 20:34

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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