High severity · published Oct 15, 2026
CVE-2026-111218
Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper Limiters
7.2
CVSS
8.6%
EPSS
No
On KEV
Description
Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with Traffic Shaper Limiters privileges to execute root commands by tampering with the limiter number field. Attackers can submit a malicious hidden 'number' value when editing a limiter, then delete it so delete_queue() passes the unquoted value to dnctl via /bin/sh as root.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.6% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
pfSense CE · Netgate
2.7.0 through 2.9.0 · source: vendor
PF
Pfsense · Pfsense
2.7.0 through 2.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111218
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111218
Issue Tracking
https://abraxaslabs.tech/research/pfsense-ce-leftovers
Exploit
https://abraxaslabs.tech/research/pfsense-limiter-number
Third Party Advisory
https://github.com/abraxas/pfsense-limiter-number
Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/shaper.inc#L3820-L3821
Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/shaper.inc#L3959
Third Party Advisory
https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-os-command-injection-via-traffic-shaper-limiters
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