CVE-2026-111217
CVE-2026-111217 · Netgate pfSense CE through 2.9.0 OS Command Injection via CARP VHID
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
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.
CVSS 8.6 · Élevée · EPSS 7,0%
- Publication
- Mise à jour
Produits et versions concernés
pfsense ce
- Versions du logiciel
- ≥ 0, ≤ 2.9.0: Concernée (semver)
Aucun correctif publié
Sources originales
- https://github.com/abraxas/pfsense-carp-vhid
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://abraxaslabs.tech/research/pfsense-carp-vhid
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/pfSense/include/www/firewall_virtual_ip.inc#L200
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/interfaces.inc#L3236-L3238
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/pfsense-utils.inc#L794
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-os-command-injection-via-carp-vhid
- https://nvd.nist.gov/vuln/detail/CVE-2026-111217