BaseFortify

Publication date: 2026-01-20

Last updated on: 2026-01-29

Assigner: Oracle

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 Scores

EPSS Scores

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Meta Information

Published

2026-01-20

Last Modified

2026-01-29

Generated

2026-07-06

AI Q&A

2026-01-21

EPSS Evaluated

2026-07-05

NVD

CVE-2026-21939

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	database_server	From 23.4 (inc) to 23.26 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-NVD-CWE-noinfo

Attack-Flow Graph

Executive Summary

This vulnerability exists in the SQLcl component of Oracle Database Server versions 23.4.0 to 23.26.0. It is difficult to exploit and requires an unauthenticated attacker to have logon access to the infrastructure where SQLcl runs. Additionally, successful exploitation requires human interaction from someone other than the attacker. If exploited, the attacker can take over SQLcl.

Impact Analysis

If successfully exploited, this vulnerability can lead to a complete takeover of SQLcl, impacting confidentiality, integrity, and availability of the system. This means sensitive data could be exposed or altered, and system operations could be disrupted.

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