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CVE-2026-111222 Details

Description

Netgate pfSense CE through 2.9.0 contains a php.ini injection vulnerability that allows authenticated users with General Setup privileges to inject directives by submitting an unvalidated timezone value. Attackers can embed a quote and newline to add auto_prepend_file pointing at /var/db/zoneinfo, executing PHP as root after php.ini is regenerated at boot or php-fpm restart.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:6.6 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://abraxaslabs.tech/research/pfsense-ce-leftovers	[email protected]	Issue Tracking
https://github.com/abraxas/pfsense-timezone-phpini	[email protected]	Third Party Advisory
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/system.inc#L2377-L2380	[email protected]	Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/rc.php_ini_setup#L163-L166	[email protected]	Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/rc.php_ini_setup#L220	[email protected]	Product
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/system.php#L288	[email protected]	Product
https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-php-ini-injection-via-timezone-setting	[email protected]	Third Party Advisory

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-93	Improper Neutralization of CRLF Sequences ('CRLF Injection')	[email protected]

Affected Products

Product	Versions
pfsense pfsense	<= 2.9.0
CPE cpe:2.3:a:pfsense:pfsense:::::community:::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 21, 2026	CVE Modified	CISA-ADP
Oct 20, 2026	Initial Analysis	[email protected]
Oct 15, 2026	New CVE Received	[email protected]