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CVE-2026-111222Netgate pfSense CE through 2.9.0 php.ini Injection via Timezone Setting
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.
7.5 HIGHEPSS 0.95%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.5 | HIGH | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 7.2 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| 6.6 | MEDIUM | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-111222
- Status
- Analyzed
- Assigner (CNA)
- VulnCheck
- Published
- Oct 15, 2026
- Last modified
- 2026-10-21 01:17 UTC
- Weaknesses
- CWE-93 · Improper Neutralization of CRLF Sequences ('CRLF Injection')
Affected Products
As published by the CNA in the CVE record.
NetgatepfSense CE1 version range
- through 2.9.0
References
- abraxaslabs.tech https://abraxaslabs.tech/research/pfsense-ce-leftovers
- github.com https://github.com/abraxas/pfsense-timezone-phpini
- github.com https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/system.inc#L2377-L2380
- github.com https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/rc.php_ini_setup#L163-L166
- github.com https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/rc.php_ini_setup#L220
- github.com https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/system.php#L288
- vulncheck.com https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-php-ini-injection-via-timezone-setting