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Severe, 6 weeks1496Projects326

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OracleCVE-2026-83156

Oracle Database Server: improper access control

Oracle

CVE-2026-83156 · Published Sep 15, 2026 · updated Sep 17, 2026

High7.5
No fix yet
Oracle advisory

Vulnerability in the Oracle XML Developers Kit component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having XDKC privilege with network access via Oracle Net to compromise Oracle XML Developers Kit. Successful attacks of this vulnerability can result in takeover of Oracle XML Developers Kit. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

Affected versions

PackageAffectedFixed in
Oracle Database Server
Product
>= 19.3, <= 19.32No fix yet
>= 21.3, <= 21.23No fix yet
>= 23.4.0, <= 23.26.3No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-284

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