HomeOracleCVE-2026-21939

CVE-2026-21939

HIGH
7.0CVSS
Published: 2026-01-20
Updated: 2026-01-29
AI Analysis

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 Metrics

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 Action
required
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
NVD-CWE-noinfo

Metadata

Primary Vendor
ORACLE
Published
1/20/2026
Last Modified
1/29/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

oracle : database_server

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CVE-CVE-2026-21939 | HIGH Severity | CVEDatabase.com | CVEDatabase.com