MajorCritical vulnerability

CVE-2026-111217 (CVSS 8.6)

NVD · officialPublished Oct 15, 2026Risk 37/100EPSS 7.1%

Netgate pfSense CE through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with Virtual IP edit privileges to execute commands as root by storing an unvalidated CARP VHID. Attackers can supply a VHID containing shell metacharacters that executes via interface_ipalias_configure() ifconfig calls or get_carp_interface_status() when CARP status is rendered.

Technical details

CVSS

8.6

AV:NetworkAC:LowPR:HighUI:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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