Vulnerability Details CVE-2026-21999
Vulnerability in the XML Database component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise XML Database. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all XML Database accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 15.5%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-21999
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cpe:2.3:a:oracle:xml_database:23.4
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cpe:2.3:a:oracle:xml_database:23.7