Improper input validation in Oracle Database Server - CVE-2026-46833

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Main Vulnerability Database Vulnerabilities #VU133406

Improper input validation in Oracle Database Server - CVE-2026-46833

Published: June 5, 2026


Vulnerability identifier: #VU133406
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-46833
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Oracle
Affected software:
Oracle Database Server

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Net Service in Oracle Database Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


How to mitigate CVE-2026-46833

Install updates from vendor's website.

Sources