#VU122803 Command Injection in OPNsense - CVE-2026-2035
Published: February 13, 2026
Vulnerability identifier: #VU122803
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-2035
CWE-ID: CWE-77
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
OPNsense
OPNsense
Software vendor:
Deciso
Deciso
Description
The vulnerability allows a remote user to execute arbitrary commands on the system.
The vulnerability exists due to insufficient input validation within the handling of backup configuration files. A remote administrator on the local network can pass specially crafted data to the application and execute arbitrary commands.
Remediation
Install updates from vendor's website.