CVE Catalog

CVE-2026-21939

High
Published: Translated: NVD NIST

Summary

Vulnerability in the SQLcl component of Oracle Database Server affects versions 23.4.0-23.26.0. It is difficult to exploit but allows an unauthenticated attacker with local access to the infrastructure where SQLcl runs to compromise SQLcl. Successful attacks require human interaction from a person other than the attacker.

Risk Assessment

The risk to the organization includes full takeover of the SQLcl tool, potentially leading to loss of confidentiality, integrity, and availability of data in the Oracle environment. The attack requires local access and user interaction, but the impact is severe.

Recommendation

Apply the patches provided by Oracle for SQLcl versions 23.4.0-23.26.0 immediately. Restrict local access to the infrastructure where SQLcl runs and educate users about the risks of interacting with unknown files or processes.

Related vulnerabilities

Original NVD description (English source)

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).

Vulnerability data from NVD (NIST) · CISA KEV · EPSS