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High severity · published Jan 20, 2026
CVE-2026-21939
Vulnerability in the SQLcl component of Oracle Database Server
7.0
CVSS
0.2%
EPSS
No
On KEV
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
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DS
Database Server · Oracle
23.4 through 23.26 · source: NVD
Affected product
DS
Database Server
Oracle
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21939
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21939
Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2026.html
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