CVE-2026-111223CWE-74

CVE-2026-111223

High · published October 15, 2026

CVSS v3.1
7.2
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
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 define charon.start-scripts entries that charon executes as root on restart.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.6 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00714 · 53.1th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2026-10-15T23:17Z
Affected products (1)
ProductVersionsFixed in
pfsense/pfsense≥ 2.7.0, ≤ 2.9.0—
References (8)
https://abraxaslabs.tech/research/pfsense-ce-leftovers · [email protected]https://abraxaslabs.tech/research/pfsense-ipsec-login-banner · [email protected]https://github.com/abraxas/pfsense-ipsec-login-banner · [email protected]https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1361-L1388 · [email protected]https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1842-L1845 · [email protected]https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_ipsec_mobile.php#L269-L273 · [email protected]https://github.com/pfsense/pfsense/commit/27a52d0807 · [email protected]https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-command-injection-via-ipsec-mobile-login-banner · [email protected]
EPSS history
Timeline
  • 17 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 15 OCT 18:46Z
    Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via IPsec Mobile Login Banner
    cvelistv5
  • 15 OCT 18:46Z
    Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via IPsec Mobile Login Banner
    cvelistv5