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CVE-2026-21939

Published: Jan 20, 2026Updated: Jan 29, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
7.0CVSSHIGH
EPSS Score
0.2%
Top 93.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 Vector Breakdown

AV:LAC:HPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfo

Affected Products

Database ServerOracle Corp.
On-premDatabase
Databases / relational
Oracle Database ServerOracle Corporation
On-premDatabase
Databases / relational
database serveroracle
On-premDatabase
Databases / relational
oracle corp.commercialUSDatabasesaka oracle
oracle corporationcommercialUSDatabasesaka oracle
oraclecommercialUSDatabasesaka oracle corp.

Exploitability

Official Patch Available

References

https://www.cybersecurity-help.cz/vdb/SB2026012079
cybersecurity-help.cz
https://www.oracle.com/security-alerts/cpujan2026.html
oracle.com

Timeline

Published
Jan 20, 2026
Last Updated
Jan 29, 2026

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