CVE-2026-111222: netgate pfsense ce CRLF Injection

Vulnerability summary

CVE-2026-111222 is a high (CVSS 7.5) CRLF Injection vulnerability in netgate pfsense ce. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 15-10-2026
   PublishedVulnerability first disclosed.
2. 21-10-2026
   Last modifiedVulnerability information updated.

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.

• CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.