CVE-2026-83156 Oracle XML Developers Kit - Broken Access Control

Oracle XML Developers Kit in Oracle Database Server 19.3-19.32, 21.3-21.23, and 23.4.0-23.26.3 contains a vulnerability caused by improper access control, letting low privileged attackers with XDKC privilege and network access via Oracle Net take over the component, exploit requires XDKC privilege.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.32% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest available version beyond 19.32, 21.23, or 23.26.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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