PatchTheCVECVE-2026-111222: Netgate pfSense CE through 2.9.0 contains a php.ini injection vulnerability that allows authenticated users wi
CVE-2026-111222 is a medium-severity flaw (CVSS 6.6) affecting pfsense. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.6 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.0% (top 39%) |
| CISA exploited list | No |
| Weakness | CWE-93 |
| Published | 2026-10-15 |
| Last modified | 2026-10-21 |
Last updated 2026-10-21 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-111222?
pfsense: upgrade to newer than 2.9.0. Exact commands for each OS are on this page.
Is CVE-2026-111222 being exploited?
CVE-2026-111222 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-111222 affect?
CVE-2026-111222 affects pfsense. Severity is medium (CVSS 6.6). 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 newl
How urgent is CVE-2026-111222?
Priority 38/100. No elevated risk signals yet.
Software pages
PHP vulnerabilities · pfSense and OPNsense vulnerabilities
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