5.3
Medium
CVE-2026-21999 Vulnerability in the XML Database component of Oracle Database Server
Description
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).
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Oracle Database Server 23.4 | 23.4.0 → 23.26.1 | No fix stated |
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