CVE-2026-111223
Pfsense: injection
- Risk score
- 59/100
- CVSS
- 7.2 v3.1
- Exploit chance (30 days)
- 0.8%
- Published
- 15 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Netgate pfSense CE 2.7.0 through 2.9.0 contains a configuration injection vulnerability that allows authenticated users with IPsec Mobile privileges to execute commands as root via the login_banner field. Attackers can submit a single-line banner containing '}' to escape the unquoted strongswan.conf attr value and def…
- Affected
- Pfsense
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- Public proof of concept
Story map
At a glance
Pfsense: Amber, patch this week. Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with QinQ edit privilege to run commands by storing an unvalidated parent interface name. Attackers can save a crafted 'if' value, then edit the QinQ entry so it is interpolated into ifconfig shell com…
The flaws
- CVE-2026-111223: Injection (CVSS 7.2 · EPSS 1%)
- CVE-2026-111214: OS command injection (CVSS 7.2 · EPSS 11%)
- CVE-2026-111225: OS command injection (CVSS 8.8 · EPSS 6%)
- CVE-2026-111218: OS command injection (CVSS 7.2 · EPSS 9%)
The fix
Fix: Apply the vendor's security update; see the linked advisory.
Who is exposed: Pfsense
Where it stands
- Public proof of concept
Connects to
- Same weakness: Injection (CWE-74). 202 other warnings in 30 days
- Same product: Earlier Pfsense warnings. 12 in the last 90 days
Why it is Yellow
- CVSS 7.2 high
- Public exploit or proof of concept referenced
References
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://abraxaslabs.tech/research/pfsense-ipsec-login-banner
- https://github.com/abraxas/pfsense-ipsec-login-banner
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1361-L1388
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1842-L1845
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_ipsec_mobile.php#L269-L273
- https://github.com/pfsense/pfsense/commit/27a52d0807
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-command-injection-via-ipsec-mobile-login-banner
Original description
Netgate pfSense CE 2.7.0 through 2.9.0 contains a configuration injection vulnerability that allows authenticated users with IPsec Mobile privileges to execute commands as root via the login_banner field. Attackers can submit a single-line banner containing '}' to escape the unquoted strongswan.conf attr value and define charon.start-scripts entries that charon executes as root on restart.
Last activity 15 Oct 2026. Patch Forecast updates every hour.