CVE-2026-21939

HIGH

Oracle Database Server <23.26.0 - SQL Injection

Title source: llm
STIX 2.1

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).

References (1)

Core 1
Core References

Scores

CVSS v3 7.0
EPSS 0.0002
EPSS Percentile 5.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

Status published
Products (1)
oracle/database_server 23.4 - 23.26
Published Jan 20, 2026
Tracked Since Feb 18, 2026