Improper input validation in Oracle Database Server - CVE-2026-46833
Published: June 5, 2026
Vulnerability identifier: #VU133406
CSH Severity: High
CVSS v4: 9.2 [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]
CVE-ID: CVE-2026-46833
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Oracle Database Server
How to mitigate CVE-2026-46833
Install updates from vendor's website.