CVE-2026-21999

Vulnerability in the XML Database component of Oracle Database Server

Medium · published April 21, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
14.6
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00243 · 14.6th percentile
Published
2026-04-21T20:34Z
EPSS history
Timeline
  • 21 APR 20:34Z
    Vulnerability in the XML Database component of Oracle Database Server
    cvelistv5