Improper input validation in Oracle Database Server - CVE-2026-46835

 

Improper input validation in Oracle Database Server - CVE-2026-46835

Published: June 5, 2026


Vulnerability identifier: #VU133408
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-46835
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 perform a denial of service (DoS) attack.

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 perform a denial of service (DoS) attack.


Affected software

Oracle Database Server

How to mitigate CVE-2026-46835

Install updates from vendor's website.


External References

Related Security Bulletins