CVE-2026-111217
HIGH
CVSS 7.2
Published: 2026-10-15
Modified: 2026-10-15
Tenable Plugin
Checking the public Tenable catalog…
Threat Intelligence Pending
IOCs, MITRE ATT&CK techniques, and attack chain data are being generated. Refresh in a few seconds.
Description
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.
Quick Facts
| CVE ID | CVE-2026-111217 |
| CVSS Score | 7.2 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Published | 2026-10-15 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://abraxaslabs.tech/research/pfsense-carp-vhid
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://github.com/abraxas/pfsense-carp-vhid
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333…
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333…
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333…
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-thro…